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Finding the Fourth Proportional to 551,753.76, 760,752.24 and 429,281.76

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Solution

The fourth proportional to 551,753.76, 760,752.24 and 429,281.76 is: 591,889.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,753.76 : 760,752.24 = 429,281.76 : x
  2. Step 2: Convert to fraction form
    551,753.76/760,752.24 = 429,281.76/x
  3. Step 3: Cross multiply
    551,753.76x = 760,752.24 × 429,281.76
  4. Step 4: Simplify right side
    551,753.76x = 326,577,060,511.14
  5. Step 5: Solve for x
    x = 326,577,060,511.14/551,753.76
  6. Step 6: Final answer
    x = 591,889.14

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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.