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Finding the Fourth Proportional to 347,583.81, 521,572.79 and 187,657.62

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Solution

The fourth proportional to 347,583.81, 521,572.79 and 187,657.62 is: 281,592.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,583.81 : 521,572.79 = 187,657.62 : x
  2. Step 2: Convert to fraction form
    347,583.81/521,572.79 = 187,657.62/x
  3. Step 3: Cross multiply
    347,583.81x = 521,572.79 × 187,657.62
  4. Step 4: Simplify right side
    347,583.81x = 97,877,107,489.87
  5. Step 5: Solve for x
    x = 97,877,107,489.87/347,583.81
  6. Step 6: Final answer
    x = 281,592.83

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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.