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Finding the Fourth Proportional to 597,964.80, 896,947.20 and 574,345.20

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Solution

The fourth proportional to 597,964.80, 896,947.20 and 574,345.20 is: 861,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,964.80 : 896,947.20 = 574,345.20 : x
  2. Step 2: Convert to fraction form
    597,964.80/896,947.20 = 574,345.20/x
  3. Step 3: Cross multiply
    597,964.80x = 896,947.20 × 574,345.20
  4. Step 4: Simplify right side
    597,964.80x = 515,157,318,973.44
  5. Step 5: Solve for x
    x = 515,157,318,973.44/597,964.80
  6. Step 6: Final answer
    x = 861,517.80

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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.