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Finding the Fourth Proportional to 584,001.80, 876,002.70 and 521,016.20

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Solution

The fourth proportional to 584,001.80, 876,002.70 and 521,016.20 is: 781,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,001.80 : 876,002.70 = 521,016.20 : x
  2. Step 2: Convert to fraction form
    584,001.80/876,002.70 = 521,016.20/x
  3. Step 3: Cross multiply
    584,001.80x = 876,002.70 × 521,016.20
  4. Step 4: Simplify right side
    584,001.80x = 456,411,597,943.74
  5. Step 5: Solve for x
    x = 456,411,597,943.74/584,001.80
  6. Step 6: Final answer
    x = 781,524.30

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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.