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Finding the Fourth Proportional to 482,847.44, 666,451.95 and 329,947.52

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Solution

The fourth proportional to 482,847.44, 666,451.95 and 329,947.52 is: 455,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,847.44 : 666,451.95 = 329,947.52 : x
  2. Step 2: Convert to fraction form
    482,847.44/666,451.95 = 329,947.52/x
  3. Step 3: Cross multiply
    482,847.44x = 666,451.95 × 329,947.52
  4. Step 4: Simplify right side
    482,847.44x = 219,894,168,101.66
  5. Step 5: Solve for x
    x = 219,894,168,101.66/482,847.44
  6. Step 6: Final answer
    x = 455,411.27

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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.