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Finding the Fourth Proportional to 670,768.47, 925,576.38 and 453,449.97

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Solution

The fourth proportional to 670,768.47, 925,576.38 and 453,449.97 is: 625,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,768.47 : 925,576.38 = 453,449.97 : x
  2. Step 2: Convert to fraction form
    670,768.47/925,576.38 = 453,449.97/x
  3. Step 3: Cross multiply
    670,768.47x = 925,576.38 × 453,449.97
  4. Step 4: Simplify right side
    670,768.47x = 419,702,581,743.71
  5. Step 5: Solve for x
    x = 419,702,581,743.71/670,768.47
  6. Step 6: Final answer
    x = 625,704.10

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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.