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Finding the Fourth Proportional to 658,881.96, 988,339.14 and 185,564.13

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Solution

The fourth proportional to 658,881.96, 988,339.14 and 185,564.13 is: 278,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,881.96 : 988,339.14 = 185,564.13 : x
  2. Step 2: Convert to fraction form
    658,881.96/988,339.14 = 185,564.13/x
  3. Step 3: Cross multiply
    658,881.96x = 988,339.14 × 185,564.13
  4. Step 4: Simplify right side
    658,881.96x = 183,400,292,659.05
  5. Step 5: Solve for x
    x = 183,400,292,659.05/658,881.96
  6. Step 6: Final answer
    x = 278,350.76

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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.