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Finding the Fourth Proportional to 554,743.20, 832,114.80 and 377,596.20

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Solution

The fourth proportional to 554,743.20, 832,114.80 and 377,596.20 is: 566,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,743.20 : 832,114.80 = 377,596.20 : x
  2. Step 2: Convert to fraction form
    554,743.20/832,114.80 = 377,596.20/x
  3. Step 3: Cross multiply
    554,743.20x = 832,114.80 × 377,596.20
  4. Step 4: Simplify right side
    554,743.20x = 314,203,386,443.76
  5. Step 5: Solve for x
    x = 314,203,386,443.76/554,743.20
  6. Step 6: Final answer
    x = 566,394.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.