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Finding the Fourth Proportional to 424,589.84, 585,443.07 and 338,481.50

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Solution

The fourth proportional to 424,589.84, 585,443.07 and 338,481.50 is: 466,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,589.84 : 585,443.07 = 338,481.50 : x
  2. Step 2: Convert to fraction form
    424,589.84/585,443.07 = 338,481.50/x
  3. Step 3: Cross multiply
    424,589.84x = 585,443.07 × 338,481.50
  4. Step 4: Simplify right side
    424,589.84x = 198,161,646,205.64
  5. Step 5: Solve for x
    x = 198,161,646,205.64/424,589.84
  6. Step 6: Final answer
    x = 466,713.12

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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.