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Finding the Fourth Proportional to 356,079.29, 534,250.14 and 187,592.81

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Solution

The fourth proportional to 356,079.29, 534,250.14 and 187,592.81 is: 281,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,079.29 : 534,250.14 = 187,592.81 : x
  2. Step 2: Convert to fraction form
    356,079.29/534,250.14 = 187,592.81/x
  3. Step 3: Cross multiply
    356,079.29x = 534,250.14 × 187,592.81
  4. Step 4: Simplify right side
    356,079.29x = 100,221,482,334.24
  5. Step 5: Solve for x
    x = 100,221,482,334.24/356,079.29
  6. Step 6: Final answer
    x = 281,458.33

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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.