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Finding the Fourth Proportional to 532,414.80, 798,330.60 and 216,514.80

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Solution

The fourth proportional to 532,414.80, 798,330.60 and 216,514.80 is: 324,653.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,414.80 : 798,330.60 = 216,514.80 : x
  2. Step 2: Convert to fraction form
    532,414.80/798,330.60 = 216,514.80/x
  3. Step 3: Cross multiply
    532,414.80x = 798,330.60 × 216,514.80
  4. Step 4: Simplify right side
    532,414.80x = 172,850,390,192.88
  5. Step 5: Solve for x
    x = 172,850,390,192.88/532,414.80
  6. Step 6: Final answer
    x = 324,653.62

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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.