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Finding the Fourth Proportional to 536,304.18, 740,217.66 and 370,964.76

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Solution

The fourth proportional to 536,304.18, 740,217.66 and 370,964.76 is: 512,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,304.18 : 740,217.66 = 370,964.76 : x
  2. Step 2: Convert to fraction form
    536,304.18/740,217.66 = 370,964.76/x
  3. Step 3: Cross multiply
    536,304.18x = 740,217.66 × 370,964.76
  4. Step 4: Simplify right side
    536,304.18x = 274,594,666,589.66
  5. Step 5: Solve for x
    x = 274,594,666,589.66/536,304.18
  6. Step 6: Final answer
    x = 512,012.92

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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.