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Finding the Fourth Proportional to 475,272.62, 712,908.28 and 159,950.96

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Solution

The fourth proportional to 475,272.62, 712,908.28 and 159,950.96 is: 239,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,272.62 : 712,908.28 = 159,950.96 : x
  2. Step 2: Convert to fraction form
    475,272.62/712,908.28 = 159,950.96/x
  3. Step 3: Cross multiply
    475,272.62x = 712,908.28 × 159,950.96
  4. Step 4: Simplify right side
    475,272.62x = 114,030,363,777.95
  5. Step 5: Solve for x
    x = 114,030,363,777.95/475,272.62
  6. Step 6: Final answer
    x = 239,926.22

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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.