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Finding the Fourth Proportional to 605,024.40, 907,499.88 and 267,966.12

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Solution

The fourth proportional to 605,024.40, 907,499.88 and 267,966.12 is: 401,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,024.40 : 907,499.88 = 267,966.12 : x
  2. Step 2: Convert to fraction form
    605,024.40/907,499.88 = 267,966.12/x
  3. Step 3: Cross multiply
    605,024.40x = 907,499.88 × 267,966.12
  4. Step 4: Simplify right side
    605,024.40x = 243,179,221,744.07
  5. Step 5: Solve for x
    x = 243,179,221,744.07/605,024.40
  6. Step 6: Final answer
    x = 401,932.92

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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.