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Finding the Fourth Proportional to 530,177.10, 795,265.65 and 404,205.90

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Solution

The fourth proportional to 530,177.10, 795,265.65 and 404,205.90 is: 606,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,177.10 : 795,265.65 = 404,205.90 : x
  2. Step 2: Convert to fraction form
    530,177.10/795,265.65 = 404,205.90/x
  3. Step 3: Cross multiply
    530,177.10x = 795,265.65 × 404,205.90
  4. Step 4: Simplify right side
    530,177.10x = 321,451,067,797.34
  5. Step 5: Solve for x
    x = 321,451,067,797.34/530,177.10
  6. Step 6: Final answer
    x = 606,308.85

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Similar ratio
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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.