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Finding the Fourth Proportional to 541,338.32, 747,048.38 and 299,637.56

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Solution

The fourth proportional to 541,338.32, 747,048.38 and 299,637.56 is: 413,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,338.32 : 747,048.38 = 299,637.56 : x
  2. Step 2: Convert to fraction form
    541,338.32/747,048.38 = 299,637.56/x
  3. Step 3: Cross multiply
    541,338.32x = 747,048.38 × 299,637.56
  4. Step 4: Simplify right side
    541,338.32x = 223,843,753,785.15
  5. Step 5: Solve for x
    x = 223,843,753,785.15/541,338.32
  6. Step 6: Final answer
    x = 413,500.66

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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.