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Finding the Fourth Proportional to 267,962.40, 401,943.60 and 243,856.80

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Solution

The fourth proportional to 267,962.40, 401,943.60 and 243,856.80 is: 365,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,962.40 : 401,943.60 = 243,856.80 : x
  2. Step 2: Convert to fraction form
    267,962.40/401,943.60 = 243,856.80/x
  3. Step 3: Cross multiply
    267,962.40x = 401,943.60 × 243,856.80
  4. Step 4: Simplify right side
    267,962.40x = 98,016,680,076.48
  5. Step 5: Solve for x
    x = 98,016,680,076.48/267,962.40
  6. Step 6: Final answer
    x = 365,785.20

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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.