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Finding the Fourth Proportional to 465,569.52, 698,394.56 and 128,610.08

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Solution

The fourth proportional to 465,569.52, 698,394.56 and 128,610.08 is: 192,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,569.52 : 698,394.56 = 128,610.08 : x
  2. Step 2: Convert to fraction form
    465,569.52/698,394.56 = 128,610.08/x
  3. Step 3: Cross multiply
    465,569.52x = 698,394.56 × 128,610.08
  4. Step 4: Simplify right side
    465,569.52x = 89,820,580,233.16
  5. Step 5: Solve for x
    x = 89,820,580,233.16/465,569.52
  6. Step 6: Final answer
    x = 192,926.25

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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.