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Finding the Fourth Proportional to 555,403.92, 832,975.80 and 156,082.80

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Solution

The fourth proportional to 555,403.92, 832,975.80 and 156,082.80 is: 234,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,403.92 : 832,975.80 = 156,082.80 : x
  2. Step 2: Convert to fraction form
    555,403.92/832,975.80 = 156,082.80/x
  3. Step 3: Cross multiply
    555,403.92x = 832,975.80 × 156,082.80
  4. Step 4: Simplify right side
    555,403.92x = 130,013,195,196.24
  5. Step 5: Solve for x
    x = 130,013,195,196.24/555,403.92
  6. Step 6: Final answer
    x = 234,087.64

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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.