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Finding the Fourth Proportional to 475,339.60, 713,126.04 and 138,383.27

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Solution

The fourth proportional to 475,339.60, 713,126.04 and 138,383.27 is: 207,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,339.60 : 713,126.04 = 138,383.27 : x
  2. Step 2: Convert to fraction form
    475,339.60/713,126.04 = 138,383.27/x
  3. Step 3: Cross multiply
    475,339.60x = 713,126.04 × 138,383.27
  4. Step 4: Simplify right side
    475,339.60x = 98,684,713,337.35
  5. Step 5: Solve for x
    x = 98,684,713,337.35/475,339.60
  6. Step 6: Final answer
    x = 207,608.86

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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.