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Finding the Fourth Proportional to 364,565.30, 503,039.67 and 243,512.42

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Solution

The fourth proportional to 364,565.30, 503,039.67 and 243,512.42 is: 336,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,565.30 : 503,039.67 = 243,512.42 : x
  2. Step 2: Convert to fraction form
    364,565.30/503,039.67 = 243,512.42/x
  3. Step 3: Cross multiply
    364,565.30x = 503,039.67 × 243,512.42
  4. Step 4: Simplify right side
    364,565.30x = 122,496,407,397.70
  5. Step 5: Solve for x
    x = 122,496,407,397.70/364,565.30
  6. Step 6: Final answer
    x = 336,006.77

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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.