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Finding the Fourth Proportional to 404,257.80, 605,220.30 and 362,267.40

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Solution

The fourth proportional to 404,257.80, 605,220.30 and 362,267.40 is: 542,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,257.80 : 605,220.30 = 362,267.40 : x
  2. Step 2: Convert to fraction form
    404,257.80/605,220.30 = 362,267.40/x
  3. Step 3: Cross multiply
    404,257.80x = 605,220.30 × 362,267.40
  4. Step 4: Simplify right side
    404,257.80x = 219,251,584,508.22
  5. Step 5: Solve for x
    x = 219,251,584,508.22/404,257.80
  6. Step 6: Final answer
    x = 542,355.85

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1.5x scale

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.