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Finding the Fourth Proportional to 344,580.81, 516,864.74 and 187,806.93

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Solution

The fourth proportional to 344,580.81, 516,864.74 and 187,806.93 is: 281,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,580.81 : 516,864.74 = 187,806.93 : x
  2. Step 2: Convert to fraction form
    344,580.81/516,864.74 = 187,806.93/x
  3. Step 3: Cross multiply
    344,580.81x = 516,864.74 × 187,806.93
  4. Step 4: Simplify right side
    344,580.81x = 97,070,779,105.61
  5. Step 5: Solve for x
    x = 97,070,779,105.61/344,580.81
  6. Step 6: Final answer
    x = 281,706.86

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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.