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Finding the Fourth Proportional to 363,920.52, 502,418.72 and 243,266.16

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Solution

The fourth proportional to 363,920.52, 502,418.72 and 243,266.16 is: 335,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,920.52 : 502,418.72 = 243,266.16 : x
  2. Step 2: Convert to fraction form
    363,920.52/502,418.72 = 243,266.16/x
  3. Step 3: Cross multiply
    363,920.52x = 502,418.72 × 243,266.16
  4. Step 4: Simplify right side
    363,920.52x = 122,221,472,726.52
  5. Step 5: Solve for x
    x = 122,221,472,726.52/363,920.52
  6. Step 6: Final answer
    x = 335,846.61

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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.