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Finding the Fourth Proportional to 555,351.78, 833,059.97 and 156,023.69

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Solution

The fourth proportional to 555,351.78, 833,059.97 and 156,023.69 is: 234,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,351.78 : 833,059.97 = 156,023.69 : x
  2. Step 2: Convert to fraction form
    555,351.78/833,059.97 = 156,023.69/x
  3. Step 3: Cross multiply
    555,351.78x = 833,059.97 × 156,023.69
  4. Step 4: Simplify right side
    555,351.78x = 129,977,085,565.27
  5. Step 5: Solve for x
    x = 129,977,085,565.27/555,351.78
  6. Step 6: Final answer
    x = 234,044.60

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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.