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Finding the Fourth Proportional to 532,065.60, 797,701.60 and 321,659.20

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Solution

The fourth proportional to 532,065.60, 797,701.60 and 321,659.20 is: 482,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,065.60 : 797,701.60 = 321,659.20 : x
  2. Step 2: Convert to fraction form
    532,065.60/797,701.60 = 321,659.20/x
  3. Step 3: Cross multiply
    532,065.60x = 797,701.60 × 321,659.20
  4. Step 4: Simplify right side
    532,065.60x = 256,588,058,494.72
  5. Step 5: Solve for x
    x = 256,588,058,494.72/532,065.60
  6. Step 6: Final answer
    x = 482,248.92

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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.