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Finding the Fourth Proportional to 556,248.60, 834,372.90 and 550,343.70

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Solution

The fourth proportional to 556,248.60, 834,372.90 and 550,343.70 is: 825,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,248.60 : 834,372.90 = 550,343.70 : x
  2. Step 2: Convert to fraction form
    556,248.60/834,372.90 = 550,343.70/x
  3. Step 3: Cross multiply
    556,248.60x = 834,372.90 × 550,343.70
  4. Step 4: Simplify right side
    556,248.60x = 459,191,868,965.73
  5. Step 5: Solve for x
    x = 459,191,868,965.73/556,248.60
  6. Step 6: Final answer
    x = 825,515.55

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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.