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Finding the Fourth Proportional to 567,030.30, 850,545.45 and 521,759.40

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Solution

The fourth proportional to 567,030.30, 850,545.45 and 521,759.40 is: 782,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,030.30 : 850,545.45 = 521,759.40 : x
  2. Step 2: Convert to fraction form
    567,030.30/850,545.45 = 521,759.40/x
  3. Step 3: Cross multiply
    567,030.30x = 850,545.45 × 521,759.40
  4. Step 4: Simplify right side
    567,030.30x = 443,780,083,664.73
  5. Step 5: Solve for x
    x = 443,780,083,664.73/567,030.30
  6. Step 6: Final answer
    x = 782,639.10

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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.