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Finding the Fourth Proportional to 295,841.68, 443,761.44 and 137,982.40

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Solution

The fourth proportional to 295,841.68, 443,761.44 and 137,982.40 is: 206,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,841.68 : 443,761.44 = 137,982.40 : x
  2. Step 2: Convert to fraction form
    295,841.68/443,761.44 = 137,982.40/x
  3. Step 3: Cross multiply
    295,841.68x = 443,761.44 × 137,982.40
  4. Step 4: Simplify right side
    295,841.68x = 61,231,268,518.66
  5. Step 5: Solve for x
    x = 61,231,268,518.66/295,841.68
  6. Step 6: Final answer
    x = 206,973.10

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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.