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Finding the Fourth Proportional to 605,591.60, 908,387.40 and 446,961.20

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Solution

The fourth proportional to 605,591.60, 908,387.40 and 446,961.20 is: 670,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,591.60 : 908,387.40 = 446,961.20 : x
  2. Step 2: Convert to fraction form
    605,591.60/908,387.40 = 446,961.20/x
  3. Step 3: Cross multiply
    605,591.60x = 908,387.40 × 446,961.20
  4. Step 4: Simplify right side
    605,591.60x = 406,013,922,368.88
  5. Step 5: Solve for x
    x = 406,013,922,368.88/605,591.60
  6. Step 6: Final answer
    x = 670,441.80

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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.