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Finding the Fourth Proportional to 714,164.96, 984,320.39 and 680,531.66

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Solution

The fourth proportional to 714,164.96, 984,320.39 and 680,531.66 is: 937,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,164.96 : 984,320.39 = 680,531.66 : x
  2. Step 2: Convert to fraction form
    714,164.96/984,320.39 = 680,531.66/x
  3. Step 3: Cross multiply
    714,164.96x = 984,320.39 × 680,531.66
  4. Step 4: Simplify right side
    714,164.96x = 669,861,180,654.29
  5. Step 5: Solve for x
    x = 669,861,180,654.29/714,164.96
  6. Step 6: Final answer
    x = 937,964.23

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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.