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Finding the Fourth Proportional to 674,617.66, 930,882.42 and 433,227.20

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Solution

The fourth proportional to 674,617.66, 930,882.42 and 433,227.20 is: 597,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,617.66 : 930,882.42 = 433,227.20 : x
  2. Step 2: Convert to fraction form
    674,617.66/930,882.42 = 433,227.20/x
  3. Step 3: Cross multiply
    674,617.66x = 930,882.42 × 433,227.20
  4. Step 4: Simplify right side
    674,617.66x = 403,283,586,673.03
  5. Step 5: Solve for x
    x = 403,283,586,673.03/674,617.66
  6. Step 6: Final answer
    x = 597,795.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.