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Finding the Fourth Proportional to 714,108.66, 984,573.27 and 522,789.90

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Solution

The fourth proportional to 714,108.66, 984,573.27 and 522,789.90 is: 720,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,108.66 : 984,573.27 = 522,789.90 : x
  2. Step 2: Convert to fraction form
    714,108.66/984,573.27 = 522,789.90/x
  3. Step 3: Cross multiply
    714,108.66x = 984,573.27 × 522,789.90
  4. Step 4: Simplify right side
    714,108.66x = 514,724,961,365.97
  5. Step 5: Solve for x
    x = 514,724,961,365.97/714,108.66
  6. Step 6: Final answer
    x = 720,793.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.