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Finding the Fourth Proportional to 465,449.00, 698,159.54 and 128,510.24

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Solution

The fourth proportional to 465,449.00, 698,159.54 and 128,510.24 is: 192,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,449.00 : 698,159.54 = 128,510.24 : x
  2. Step 2: Convert to fraction form
    465,449.00/698,159.54 = 128,510.24/x
  3. Step 3: Cross multiply
    465,449.00x = 698,159.54 × 128,510.24
  4. Step 4: Simplify right side
    465,449.00x = 89,720,646,874.17
  5. Step 5: Solve for x
    x = 89,720,646,874.17/465,449.00
  6. Step 6: Final answer
    x = 192,761.50

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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.