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Finding the Fourth Proportional to 450,554, 675,306.12 and 250,778.84

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Solution

The fourth proportional to 450,554, 675,306.12 and 250,778.84 is: 375,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,554 : 675,306.12 = 250,778.84 : x
  2. Step 2: Convert to fraction form
    450,554/675,306.12 = 250,778.84/x
  3. Step 3: Cross multiply
    450,554x = 675,306.12 × 250,778.84
  4. Step 4: Simplify right side
    450,554x = 169,352,485,418.50
  5. Step 5: Solve for x
    x = 169,352,485,418.50/450,554
  6. Step 6: Final answer
    x = 375,876.11

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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.