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Finding the Fourth Proportional to 584,107.20, 876,160.80 and 140,875.20

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Solution

The fourth proportional to 584,107.20, 876,160.80 and 140,875.20 is: 211,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,107.20 : 876,160.80 = 140,875.20 : x
  2. Step 2: Convert to fraction form
    584,107.20/876,160.80 = 140,875.20/x
  3. Step 3: Cross multiply
    584,107.20x = 876,160.80 × 140,875.20
  4. Step 4: Simplify right side
    584,107.20x = 123,429,327,932.16
  5. Step 5: Solve for x
    x = 123,429,327,932.16/584,107.20
  6. Step 6: Final answer
    x = 211,312.80

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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.