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Finding the Fourth Proportional to 458,319.75, 632,471.74 and 254,358.82

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Solution

The fourth proportional to 458,319.75, 632,471.74 and 254,358.82 is: 351,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,319.75 : 632,471.74 = 254,358.82 : x
  2. Step 2: Convert to fraction form
    458,319.75/632,471.74 = 254,358.82/x
  3. Step 3: Cross multiply
    458,319.75x = 632,471.74 × 254,358.82
  4. Step 4: Simplify right side
    458,319.75x = 160,874,765,469.75
  5. Step 5: Solve for x
    x = 160,874,765,469.75/458,319.75
  6. Step 6: Final answer
    x = 351,009.89

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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.