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Finding the Fourth Proportional to 458,072.82, 632,141.19 and 254,123.73

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Solution

The fourth proportional to 458,072.82, 632,141.19 and 254,123.73 is: 350,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,072.82 : 632,141.19 = 254,123.73 : x
  2. Step 2: Convert to fraction form
    458,072.82/632,141.19 = 254,123.73/x
  3. Step 3: Cross multiply
    458,072.82x = 632,141.19 × 254,123.73
  4. Step 4: Simplify right side
    458,072.82x = 160,642,077,089.44
  5. Step 5: Solve for x
    x = 160,642,077,089.44/458,072.82
  6. Step 6: Final answer
    x = 350,691.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.