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Finding the Fourth Proportional to 475,060.68, 712,656.60 and 159,607.80

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Solution

The fourth proportional to 475,060.68, 712,656.60 and 159,607.80 is: 239,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,060.68 : 712,656.60 = 159,607.80 : x
  2. Step 2: Convert to fraction form
    475,060.68/712,656.60 = 159,607.80/x
  3. Step 3: Cross multiply
    475,060.68x = 712,656.60 × 159,607.80
  4. Step 4: Simplify right side
    475,060.68x = 113,745,552,081.48
  5. Step 5: Solve for x
    x = 113,745,552,081.48/475,060.68
  6. Step 6: Final answer
    x = 239,433.73

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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.