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Finding the Fourth Proportional to 458,162.28, 632,267.40 and 251,429.28

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Solution

The fourth proportional to 458,162.28, 632,267.40 and 251,429.28 is: 346,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,162.28 : 632,267.40 = 251,429.28 : x
  2. Step 2: Convert to fraction form
    458,162.28/632,267.40 = 251,429.28/x
  3. Step 3: Cross multiply
    458,162.28x = 632,267.40 × 251,429.28
  4. Step 4: Simplify right side
    458,162.28x = 158,970,537,149.47
  5. Step 5: Solve for x
    x = 158,970,537,149.47/458,162.28
  6. Step 6: Final answer
    x = 346,974.30

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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.