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Finding the Fourth Proportional to 471,402.57, 651,296.61 and 328,799.22

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Solution

The fourth proportional to 471,402.57, 651,296.61 and 328,799.22 is: 454,273.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,402.57 : 651,296.61 = 328,799.22 : x
  2. Step 2: Convert to fraction form
    471,402.57/651,296.61 = 328,799.22/x
  3. Step 3: Cross multiply
    471,402.57x = 651,296.61 × 328,799.22
  4. Step 4: Simplify right side
    471,402.57x = 214,145,817,356.64
  5. Step 5: Solve for x
    x = 214,145,817,356.64/471,402.57
  6. Step 6: Final answer
    x = 454,273.76

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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.