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Finding the Fourth Proportional to 304,591.60, 455,850.60 and 267,266.80

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Solution

The fourth proportional to 304,591.60, 455,850.60 and 267,266.80 is: 399,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,591.60 : 455,850.60 = 267,266.80 : x
  2. Step 2: Convert to fraction form
    304,591.60/455,850.60 = 267,266.80/x
  3. Step 3: Cross multiply
    304,591.60x = 455,850.60 × 267,266.80
  4. Step 4: Simplify right side
    304,591.60x = 121,833,731,140.08
  5. Step 5: Solve for x
    x = 121,833,731,140.08/304,591.60
  6. Step 6: Final answer
    x = 399,990.45

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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.