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Finding the Fourth Proportional to 349,160.20, 481,841.58 and 198,257.20

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Solution

The fourth proportional to 349,160.20, 481,841.58 and 198,257.20 is: 273,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,160.20 : 481,841.58 = 198,257.20 : x
  2. Step 2: Convert to fraction form
    349,160.20/481,841.58 = 198,257.20/x
  3. Step 3: Cross multiply
    349,160.20x = 481,841.58 × 198,257.20
  4. Step 4: Simplify right side
    349,160.20x = 95,528,562,494.38
  5. Step 5: Solve for x
    x = 95,528,562,494.38/349,160.20
  6. Step 6: Final answer
    x = 273,595.22

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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.