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Finding the Fourth Proportional to 556,207.16, 834,312.09 and 156,850.03

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Solution

The fourth proportional to 556,207.16, 834,312.09 and 156,850.03 is: 235,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,207.16 : 834,312.09 = 156,850.03 : x
  2. Step 2: Convert to fraction form
    556,207.16/834,312.09 = 156,850.03/x
  3. Step 3: Cross multiply
    556,207.16x = 834,312.09 × 156,850.03
  4. Step 4: Simplify right side
    556,207.16x = 130,861,876,345.86
  5. Step 5: Solve for x
    x = 130,861,876,345.86/556,207.16
  6. Step 6: Final answer
    x = 235,275.43

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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.