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Finding the Fourth Proportional to 597,713.80, 896,570.70 and 394,760.20

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Solution

The fourth proportional to 597,713.80, 896,570.70 and 394,760.20 is: 592,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,713.80 : 896,570.70 = 394,760.20 : x
  2. Step 2: Convert to fraction form
    597,713.80/896,570.70 = 394,760.20/x
  3. Step 3: Cross multiply
    597,713.80x = 896,570.70 × 394,760.20
  4. Step 4: Simplify right side
    597,713.80x = 353,930,428,846.14
  5. Step 5: Solve for x
    x = 353,930,428,846.14/597,713.80
  6. Step 6: Final answer
    x = 592,140.30

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Double scale
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Similar ratio
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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.