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Finding the Fourth Proportional to 458,149.86, 632,281.44 and 254,239.38

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Solution

The fourth proportional to 458,149.86, 632,281.44 and 254,239.38 is: 350,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,149.86 : 632,281.44 = 254,239.38 : x
  2. Step 2: Convert to fraction form
    458,149.86/632,281.44 = 254,239.38/x
  3. Step 3: Cross multiply
    458,149.86x = 632,281.44 × 254,239.38
  4. Step 4: Simplify right side
    458,149.86x = 160,750,841,291.11
  5. Step 5: Solve for x
    x = 160,750,841,291.11/458,149.86
  6. Step 6: Final answer
    x = 350,869.56

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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.