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Finding the Fourth Proportional to 458,630.60, 632,888.96 and 254,694.47

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Solution

The fourth proportional to 458,630.60, 632,888.96 and 254,694.47 is: 351,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,630.60 : 632,888.96 = 254,694.47 : x
  2. Step 2: Convert to fraction form
    458,630.60/632,888.96 = 254,694.47/x
  3. Step 3: Cross multiply
    458,630.60x = 632,888.96 × 254,694.47
  4. Step 4: Simplify right side
    458,630.60x = 161,193,313,798.13
  5. Step 5: Solve for x
    x = 161,193,313,798.13/458,630.60
  6. Step 6: Final answer
    x = 351,466.55

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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.