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Finding the Fourth Proportional to 273,145.68, 409,053.36 and 188,680.44

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Solution

The fourth proportional to 273,145.68, 409,053.36 and 188,680.44 is: 282,561.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,145.68 : 409,053.36 = 188,680.44 : x
  2. Step 2: Convert to fraction form
    273,145.68/409,053.36 = 188,680.44/x
  3. Step 3: Cross multiply
    273,145.68x = 409,053.36 × 188,680.44
  4. Step 4: Simplify right side
    273,145.68x = 77,180,367,948.28
  5. Step 5: Solve for x
    x = 77,180,367,948.28/273,145.68
  6. Step 6: Final answer
    x = 282,561.19

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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.