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Finding the Fourth Proportional to 532,345.48, 797,615.94 and 321,540.52

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Solution

The fourth proportional to 532,345.48, 797,615.94 and 321,540.52 is: 481,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,345.48 : 797,615.94 = 321,540.52 : x
  2. Step 2: Convert to fraction form
    532,345.48/797,615.94 = 321,540.52/x
  3. Step 3: Cross multiply
    532,345.48x = 797,615.94 × 321,540.52
  4. Step 4: Simplify right side
    532,345.48x = 256,465,844,107.89
  5. Step 5: Solve for x
    x = 256,465,844,107.89/532,345.48
  6. Step 6: Final answer
    x = 481,765.80

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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.