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Finding the Fourth Proportional to 532,301.70, 798,452.55 and 479,813.70

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Solution

The fourth proportional to 532,301.70, 798,452.55 and 479,813.70 is: 719,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,301.70 : 798,452.55 = 479,813.70 : x
  2. Step 2: Convert to fraction form
    532,301.70/798,452.55 = 479,813.70/x
  3. Step 3: Cross multiply
    532,301.70x = 798,452.55 × 479,813.70
  4. Step 4: Simplify right side
    532,301.70x = 383,108,472,289.94
  5. Step 5: Solve for x
    x = 383,108,472,289.94/532,301.70
  6. Step 6: Final answer
    x = 719,720.55

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Similar ratio
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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.