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Finding the Fourth Proportional to 458,012.60, 632,067.53 and 254,056.89

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Solution

The fourth proportional to 458,012.60, 632,067.53 and 254,056.89 is: 350,604.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,012.60 : 632,067.53 = 254,056.89 : x
  2. Step 2: Convert to fraction form
    458,012.60/632,067.53 = 254,056.89/x
  3. Step 3: Cross multiply
    458,012.60x = 632,067.53 × 254,056.89
  4. Step 4: Simplify right side
    458,012.60x = 160,581,110,941.78
  5. Step 5: Solve for x
    x = 160,581,110,941.78/458,012.60
  6. Step 6: Final answer
    x = 350,604.13

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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.