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Finding the Fourth Proportional to 458,627.60, 632,884.80 and 254,691.48

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Solution

The fourth proportional to 458,627.60, 632,884.80 and 254,691.48 is: 351,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,627.60 : 632,884.80 = 254,691.48 : x
  2. Step 2: Convert to fraction form
    458,627.60/632,884.80 = 254,691.48/x
  3. Step 3: Cross multiply
    458,627.60x = 632,884.80 × 254,691.48
  4. Step 4: Simplify right side
    458,627.60x = 161,190,366,381.50
  5. Step 5: Solve for x
    x = 161,190,366,381.50/458,627.60
  6. Step 6: Final answer
    x = 351,462.42

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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.