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Finding the Fourth Proportional to 441,419, 609,116.10 and 247,782.38

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Solution

The fourth proportional to 441,419, 609,116.10 and 247,782.38 is: 341,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,419 : 609,116.10 = 247,782.38 : x
  2. Step 2: Convert to fraction form
    441,419/609,116.10 = 247,782.38/x
  3. Step 3: Cross multiply
    441,419x = 609,116.10 × 247,782.38
  4. Step 4: Simplify right side
    441,419x = 150,928,236,954.32
  5. Step 5: Solve for x
    x = 150,928,236,954.32/441,419
  6. Step 6: Final answer
    x = 341,916.04

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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.