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Finding the Fourth Proportional to 714,118.64, 984,587.06 and 522,799.88

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Solution

The fourth proportional to 714,118.64, 984,587.06 and 522,799.88 is: 720,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,118.64 : 984,587.06 = 522,799.88 : x
  2. Step 2: Convert to fraction form
    714,118.64/984,587.06 = 522,799.88/x
  3. Step 3: Cross multiply
    714,118.64x = 984,587.06 × 522,799.88
  4. Step 4: Simplify right side
    714,118.64x = 514,741,996,817.55
  5. Step 5: Solve for x
    x = 514,741,996,817.55/714,118.64
  6. Step 6: Final answer
    x = 720,807.40

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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.