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Finding the Fourth Proportional to 966,504.56, 1,449,387.66 and 317,930

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Solution

The fourth proportional to 966,504.56, 1,449,387.66 and 317,930 is: 476,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,504.56 : 1,449,387.66 = 317,930 : x
  2. Step 2: Convert to fraction form
    966,504.56/1,449,387.66 = 317,930/x
  3. Step 3: Cross multiply
    966,504.56x = 1,449,387.66 × 317,930
  4. Step 4: Simplify right side
    966,504.56x = 460,803,818,743.80
  5. Step 5: Solve for x
    x = 460,803,818,743.80/966,504.56
  6. Step 6: Final answer
    x = 476,773.56

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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.