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Finding the Fourth Proportional to 544,974.80, 817,462.20 and 412,264.40

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Solution

The fourth proportional to 544,974.80, 817,462.20 and 412,264.40 is: 618,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,974.80 : 817,462.20 = 412,264.40 : x
  2. Step 2: Convert to fraction form
    544,974.80/817,462.20 = 412,264.40/x
  3. Step 3: Cross multiply
    544,974.80x = 817,462.20 × 412,264.40
  4. Step 4: Simplify right side
    544,974.80x = 337,010,563,405.68
  5. Step 5: Solve for x
    x = 337,010,563,405.68/544,974.80
  6. Step 6: Final answer
    x = 618,396.60

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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.