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Finding the Fourth Proportional to 267,062.40, 400,010.40 and 207,430.20

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Solution

The fourth proportional to 267,062.40, 400,010.40 and 207,430.20 is: 310,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,062.40 : 400,010.40 = 207,430.20 : x
  2. Step 2: Convert to fraction form
    267,062.40/400,010.40 = 207,430.20/x
  3. Step 3: Cross multiply
    267,062.40x = 400,010.40 × 207,430.20
  4. Step 4: Simplify right side
    267,062.40x = 82,974,237,274.08
  5. Step 5: Solve for x
    x = 82,974,237,274.08/267,062.40
  6. Step 6: Final answer
    x = 310,692.32

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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.