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Finding the Fourth Proportional to 306,264.52, 459,489.92 and 156,609.88

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Solution

The fourth proportional to 306,264.52, 459,489.92 and 156,609.88 is: 234,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,264.52 : 459,489.92 = 156,609.88 : x
  2. Step 2: Convert to fraction form
    306,264.52/459,489.92 = 156,609.88/x
  3. Step 3: Cross multiply
    306,264.52x = 459,489.92 × 156,609.88
  4. Step 4: Simplify right side
    306,264.52x = 71,960,661,232.41
  5. Step 5: Solve for x
    x = 71,960,661,232.41/306,264.52
  6. Step 6: Final answer
    x = 234,962.45

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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.