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Finding the Fourth Proportional to 545,002.66, 817,627.02 and 165,957.30

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Solution

The fourth proportional to 545,002.66, 817,627.02 and 165,957.30 is: 248,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,002.66 : 817,627.02 = 165,957.30 : x
  2. Step 2: Convert to fraction form
    545,002.66/817,627.02 = 165,957.30/x
  3. Step 3: Cross multiply
    545,002.66x = 817,627.02 × 165,957.30
  4. Step 4: Simplify right side
    545,002.66x = 135,691,172,646.25
  5. Step 5: Solve for x
    x = 135,691,172,646.25/545,002.66
  6. Step 6: Final answer
    x = 248,973.41

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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.