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Finding the Fourth Proportional to 295,325.20, 443,117.40 and 137,472.40

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Solution

The fourth proportional to 295,325.20, 443,117.40 and 137,472.40 is: 206,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,325.20 : 443,117.40 = 137,472.40 : x
  2. Step 2: Convert to fraction form
    295,325.20/443,117.40 = 137,472.40/x
  3. Step 3: Cross multiply
    295,325.20x = 443,117.40 × 137,472.40
  4. Step 4: Simplify right side
    295,325.20x = 60,916,412,459.76
  5. Step 5: Solve for x
    x = 60,916,412,459.76/295,325.20
  6. Step 6: Final answer
    x = 206,268.93

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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.