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Finding the Fourth Proportional to 486,174.44, 729,384.83 and 149,232.16

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Solution

The fourth proportional to 486,174.44, 729,384.83 and 149,232.16 is: 223,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,174.44 : 729,384.83 = 149,232.16 : x
  2. Step 2: Convert to fraction form
    486,174.44/729,384.83 = 149,232.16/x
  3. Step 3: Cross multiply
    486,174.44x = 729,384.83 × 149,232.16
  4. Step 4: Simplify right side
    486,174.44x = 108,847,673,652.13
  5. Step 5: Solve for x
    x = 108,847,673,652.13/486,174.44
  6. Step 6: Final answer
    x = 223,886.05

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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.