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Finding the Fourth Proportional to 532,138.70, 797,514.90 and 216,226.28

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Solution

The fourth proportional to 532,138.70, 797,514.90 and 216,226.28 is: 324,057.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,138.70 : 797,514.90 = 216,226.28 : x
  2. Step 2: Convert to fraction form
    532,138.70/797,514.90 = 216,226.28/x
  3. Step 3: Cross multiply
    532,138.70x = 797,514.90 × 216,226.28
  4. Step 4: Simplify right side
    532,138.70x = 172,443,680,071.57
  5. Step 5: Solve for x
    x = 172,443,680,071.57/532,138.70
  6. Step 6: Final answer
    x = 324,057.77

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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.