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Finding the Fourth Proportional to 564,671.50, 846,982.95 and 143,934.82

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Solution

The fourth proportional to 564,671.50, 846,982.95 and 143,934.82 is: 215,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,671.50 : 846,982.95 = 143,934.82 : x
  2. Step 2: Convert to fraction form
    564,671.50/846,982.95 = 143,934.82/x
  3. Step 3: Cross multiply
    564,671.50x = 846,982.95 × 143,934.82
  4. Step 4: Simplify right side
    564,671.50x = 121,910,338,451.32
  5. Step 5: Solve for x
    x = 121,910,338,451.32/564,671.50
  6. Step 6: Final answer
    x = 215,896.04

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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.