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Finding the Fourth Proportional to 273,217.40, 409,826.10 and 183,987.80

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Solution

The fourth proportional to 273,217.40, 409,826.10 and 183,987.80 is: 275,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,217.40 : 409,826.10 = 183,987.80 : x
  2. Step 2: Convert to fraction form
    273,217.40/409,826.10 = 183,987.80/x
  3. Step 3: Cross multiply
    273,217.40x = 409,826.10 × 183,987.80
  4. Step 4: Simplify right side
    273,217.40x = 75,403,002,521.58
  5. Step 5: Solve for x
    x = 75,403,002,521.58/273,217.40
  6. Step 6: Final answer
    x = 275,981.70

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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.