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Finding the Fourth Proportional to 373,800.32, 515,849.82 and 204,030.80

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Solution

The fourth proportional to 373,800.32, 515,849.82 and 204,030.80 is: 281,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,800.32 : 515,849.82 = 204,030.80 : x
  2. Step 2: Convert to fraction form
    373,800.32/515,849.82 = 204,030.80/x
  3. Step 3: Cross multiply
    373,800.32x = 515,849.82 × 204,030.80
  4. Step 4: Simplify right side
    373,800.32x = 105,249,251,454.46
  5. Step 5: Solve for x
    x = 105,249,251,454.46/373,800.32
  6. Step 6: Final answer
    x = 281,565.44

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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.