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Finding the Fourth Proportional to 555,856.59, 833,834.09 and 156,500.79

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Solution

The fourth proportional to 555,856.59, 833,834.09 and 156,500.79 is: 234,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,856.59 : 833,834.09 = 156,500.79 : x
  2. Step 2: Convert to fraction form
    555,856.59/833,834.09 = 156,500.79/x
  3. Step 3: Cross multiply
    555,856.59x = 833,834.09 × 156,500.79
  4. Step 4: Simplify right side
    555,856.59x = 130,495,693,031.43
  5. Step 5: Solve for x
    x = 130,495,693,031.43/555,856.59
  6. Step 6: Final answer
    x = 234,765.04

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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.