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Finding the Fourth Proportional to 436,996.56, 655,494.84 and 249,876.88

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Solution

The fourth proportional to 436,996.56, 655,494.84 and 249,876.88 is: 374,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,996.56 : 655,494.84 = 249,876.88 : x
  2. Step 2: Convert to fraction form
    436,996.56/655,494.84 = 249,876.88/x
  3. Step 3: Cross multiply
    436,996.56x = 655,494.84 × 249,876.88
  4. Step 4: Simplify right side
    436,996.56x = 163,793,005,475.30
  5. Step 5: Solve for x
    x = 163,793,005,475.30/436,996.56
  6. Step 6: Final answer
    x = 374,815.32

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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.