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Finding the Fourth Proportional to 447,959.50, 618,184.11 and 246,755.50

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Solution

The fourth proportional to 447,959.50, 618,184.11 and 246,755.50 is: 340,522.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,959.50 : 618,184.11 = 246,755.50 : x
  2. Step 2: Convert to fraction form
    447,959.50/618,184.11 = 246,755.50/x
  3. Step 3: Cross multiply
    447,959.50x = 618,184.11 × 246,755.50
  4. Step 4: Simplify right side
    447,959.50x = 152,540,329,155.11
  5. Step 5: Solve for x
    x = 152,540,329,155.11/447,959.50
  6. Step 6: Final answer
    x = 340,522.59

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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.