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Finding the Fourth Proportional to 435,780.86, 601,438.11 and 244,808.78

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Solution

The fourth proportional to 435,780.86, 601,438.11 and 244,808.78 is: 337,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,780.86 : 601,438.11 = 244,808.78 : x
  2. Step 2: Convert to fraction form
    435,780.86/601,438.11 = 244,808.78/x
  3. Step 3: Cross multiply
    435,780.86x = 601,438.11 × 244,808.78
  4. Step 4: Simplify right side
    435,780.86x = 147,237,329,954.61
  5. Step 5: Solve for x
    x = 147,237,329,954.61/435,780.86
  6. Step 6: Final answer
    x = 337,870.12

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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.