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Finding the Fourth Proportional to 456,281.40, 684,422.10 and 267,324.60

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Solution

The fourth proportional to 456,281.40, 684,422.10 and 267,324.60 is: 400,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,281.40 : 684,422.10 = 267,324.60 : x
  2. Step 2: Convert to fraction form
    456,281.40/684,422.10 = 267,324.60/x
  3. Step 3: Cross multiply
    456,281.40x = 684,422.10 × 267,324.60
  4. Step 4: Simplify right side
    456,281.40x = 182,962,864,113.66
  5. Step 5: Solve for x
    x = 182,962,864,113.66/456,281.40
  6. Step 6: Final answer
    x = 400,986.90

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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.