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Finding the Fourth Proportional to 441,115.80, 661,673.70 and 230,818.20

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Solution

The fourth proportional to 441,115.80, 661,673.70 and 230,818.20 is: 346,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,115.80 : 661,673.70 = 230,818.20 : x
  2. Step 2: Convert to fraction form
    441,115.80/661,673.70 = 230,818.20/x
  3. Step 3: Cross multiply
    441,115.80x = 661,673.70 × 230,818.20
  4. Step 4: Simplify right side
    441,115.80x = 152,726,332,421.34
  5. Step 5: Solve for x
    x = 152,726,332,421.34/441,115.80
  6. Step 6: Final answer
    x = 346,227.30

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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.