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Finding the Fourth Proportional to 768,099.12, 1,060,166.52 and 466,545.84

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Solution

The fourth proportional to 768,099.12, 1,060,166.52 and 466,545.84 is: 643,948.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,099.12 : 1,060,166.52 = 466,545.84 : x
  2. Step 2: Convert to fraction form
    768,099.12/1,060,166.52 = 466,545.84/x
  3. Step 3: Cross multiply
    768,099.12x = 1,060,166.52 × 466,545.84
  4. Step 4: Simplify right side
    768,099.12x = 494,616,279,613.28
  5. Step 5: Solve for x
    x = 494,616,279,613.28/768,099.12
  6. Step 6: Final answer
    x = 643,948.50

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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.