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Finding the Fourth Proportional to 615,542.04, 849,801.18 and 469,198.92

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Solution

The fourth proportional to 615,542.04, 849,801.18 and 469,198.92 is: 647,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,542.04 : 849,801.18 = 469,198.92 : x
  2. Step 2: Convert to fraction form
    615,542.04/849,801.18 = 469,198.92/x
  3. Step 3: Cross multiply
    615,542.04x = 849,801.18 × 469,198.92
  4. Step 4: Simplify right side
    615,542.04x = 398,725,795,870.73
  5. Step 5: Solve for x
    x = 398,725,795,870.73/615,542.04
  6. Step 6: Final answer
    x = 647,763.71

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1.5x scale

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.