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Finding the Fourth Proportional to 458,096.38, 632,101.70 and 261,860.05

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Solution

The fourth proportional to 458,096.38, 632,101.70 and 261,860.05 is: 361,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,096.38 : 632,101.70 = 261,860.05 : x
  2. Step 2: Convert to fraction form
    458,096.38/632,101.70 = 261,860.05/x
  3. Step 3: Cross multiply
    458,096.38x = 632,101.70 × 261,860.05
  4. Step 4: Simplify right side
    458,096.38x = 165,522,182,767.09
  5. Step 5: Solve for x
    x = 165,522,182,767.09/458,096.38
  6. Step 6: Final answer
    x = 361,326.11

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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.