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Finding the Fourth Proportional to 591,486.32, 887,860.92 and 254,693.72

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Solution

The fourth proportional to 591,486.32, 887,860.92 and 254,693.72 is: 382,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,486.32 : 887,860.92 = 254,693.72 : x
  2. Step 2: Convert to fraction form
    591,486.32/887,860.92 = 254,693.72/x
  3. Step 3: Cross multiply
    591,486.32x = 887,860.92 × 254,693.72
  4. Step 4: Simplify right side
    591,486.32x = 226,132,600,557.42
  5. Step 5: Solve for x
    x = 226,132,600,557.42/591,486.32
  6. Step 6: Final answer
    x = 382,312.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.