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Finding the Fourth Proportional to 465,545.30, 698,304.14 and 128,606.22

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Solution

The fourth proportional to 465,545.30, 698,304.14 and 128,606.22 is: 192,905.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,545.30 : 698,304.14 = 128,606.22 : x
  2. Step 2: Convert to fraction form
    465,545.30/698,304.14 = 128,606.22/x
  3. Step 3: Cross multiply
    465,545.30x = 698,304.14 × 128,606.22
  4. Step 4: Simplify right side
    465,545.30x = 89,806,255,855.75
  5. Step 5: Solve for x
    x = 89,806,255,855.75/465,545.30
  6. Step 6: Final answer
    x = 192,905.52

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1.5x scale

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.