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Finding the Fourth Proportional to 555,932.50, 767,269.20 and 352,002.38

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Solution

The fourth proportional to 555,932.50, 767,269.20 and 352,002.38 is: 485,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,932.50 : 767,269.20 = 352,002.38 : x
  2. Step 2: Convert to fraction form
    555,932.50/767,269.20 = 352,002.38/x
  3. Step 3: Cross multiply
    555,932.50x = 767,269.20 × 352,002.38
  4. Step 4: Simplify right side
    555,932.50x = 270,080,584,500.70
  5. Step 5: Solve for x
    x = 270,080,584,500.70/555,932.50
  6. Step 6: Final answer
    x = 485,815.43

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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.