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Finding the Fourth Proportional to 1,304,604, 1,800,356.76 and 761,113.44

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Solution

The fourth proportional to 1,304,604, 1,800,356.76 and 761,113.44 is: 1,050,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,604 : 1,800,356.76 = 761,113.44 : x
  2. Step 2: Convert to fraction form
    1,304,604/1,800,356.76 = 761,113.44/x
  3. Step 3: Cross multiply
    1,304,604x = 1,800,356.76 × 761,113.44
  4. Step 4: Simplify right side
    1,304,604x = 1,370,275,726,830.85
  5. Step 5: Solve for x
    x = 1,370,275,726,830.85/1,304,604
  6. Step 6: Final answer
    x = 1,050,338.44

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.