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Finding the Fourth Proportional to 304,812.60, 456,182.10 and 267,487.80

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Solution

The fourth proportional to 304,812.60, 456,182.10 and 267,487.80 is: 400,321.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,812.60 : 456,182.10 = 267,487.80 : x
  2. Step 2: Convert to fraction form
    304,812.60/456,182.10 = 267,487.80/x
  3. Step 3: Cross multiply
    304,812.60x = 456,182.10 × 267,487.80
  4. Step 4: Simplify right side
    304,812.60x = 122,023,146,328.38
  5. Step 5: Solve for x
    x = 122,023,146,328.38/304,812.60
  6. Step 6: Final answer
    x = 400,321.86

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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.