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Finding the Fourth Proportional to 531,854.57, 797,788.80 and 176,868.56

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Solution

The fourth proportional to 531,854.57, 797,788.80 and 176,868.56 is: 265,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,854.57 : 797,788.80 = 176,868.56 : x
  2. Step 2: Convert to fraction form
    531,854.57/797,788.80 = 176,868.56/x
  3. Step 3: Cross multiply
    531,854.57x = 797,788.80 × 176,868.56
  4. Step 4: Simplify right side
    531,854.57x = 141,103,752,251.18
  5. Step 5: Solve for x
    x = 141,103,752,251.18/531,854.57
  6. Step 6: Final answer
    x = 265,305.14

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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.