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Finding the Fourth Proportional to 273,521.80, 410,705.10 and 149,105.80

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Solution

The fourth proportional to 273,521.80, 410,705.10 and 149,105.80 is: 223,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,521.80 : 410,705.10 = 149,105.80 : x
  2. Step 2: Convert to fraction form
    273,521.80/410,705.10 = 149,105.80/x
  3. Step 3: Cross multiply
    273,521.80x = 410,705.10 × 149,105.80
  4. Step 4: Simplify right side
    273,521.80x = 61,238,512,499.58
  5. Step 5: Solve for x
    x = 61,238,512,499.58/273,521.80
  6. Step 6: Final answer
    x = 223,888.96

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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.