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Finding the Fourth Proportional to 580,509.60, 801,002.16 and 325,871.52

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Solution

The fourth proportional to 580,509.60, 801,002.16 and 325,871.52 is: 449,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,509.60 : 801,002.16 = 325,871.52 : x
  2. Step 2: Convert to fraction form
    580,509.60/801,002.16 = 325,871.52/x
  3. Step 3: Cross multiply
    580,509.60x = 801,002.16 × 325,871.52
  4. Step 4: Simplify right side
    580,509.60x = 261,023,791,402.48
  5. Step 5: Solve for x
    x = 261,023,791,402.48/580,509.60
  6. Step 6: Final answer
    x = 449,645.95

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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.