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Finding the Fourth Proportional to 453,791.01, 680,916.14 and 187,742.46

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Solution

The fourth proportional to 453,791.01, 680,916.14 and 187,742.46 is: 281,708.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,791.01 : 680,916.14 = 187,742.46 : x
  2. Step 2: Convert to fraction form
    453,791.01/680,916.14 = 187,742.46/x
  3. Step 3: Cross multiply
    453,791.01x = 680,916.14 × 187,742.46
  4. Step 4: Simplify right side
    453,791.01x = 127,836,868,242.08
  5. Step 5: Solve for x
    x = 127,836,868,242.08/453,791.01
  6. Step 6: Final answer
    x = 281,708.69

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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.