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Finding the Fourth Proportional to 944,652.60, 1,416,458.88 and 645,471

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Solution

The fourth proportional to 944,652.60, 1,416,458.88 and 645,471 is: 967,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,652.60 : 1,416,458.88 = 645,471 : x
  2. Step 2: Convert to fraction form
    944,652.60/1,416,458.88 = 645,471/x
  3. Step 3: Cross multiply
    944,652.60x = 1,416,458.88 × 645,471
  4. Step 4: Simplify right side
    944,652.60x = 914,283,129,732.48
  5. Step 5: Solve for x
    x = 914,283,129,732.48/944,652.60
  6. Step 6: Final answer
    x = 967,851.18

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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.