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Finding the Fourth Proportional to 434,306.56, 651,468.84 and 118,761.52

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Solution

The fourth proportional to 434,306.56, 651,468.84 and 118,761.52 is: 178,144.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,306.56 : 651,468.84 = 118,761.52 : x
  2. Step 2: Convert to fraction form
    434,306.56/651,468.84 = 118,761.52/x
  3. Step 3: Cross multiply
    434,306.56x = 651,468.84 × 118,761.52
  4. Step 4: Simplify right side
    434,306.56x = 77,369,429,671.04
  5. Step 5: Solve for x
    x = 77,369,429,671.04/434,306.56
  6. Step 6: Final answer
    x = 178,144.74

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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.