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Finding the Fourth Proportional to 486,843.42, 730,301.52 and 150,118.32

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Solution

The fourth proportional to 486,843.42, 730,301.52 and 150,118.32 is: 225,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,843.42 : 730,301.52 = 150,118.32 : x
  2. Step 2: Convert to fraction form
    486,843.42/730,301.52 = 150,118.32/x
  3. Step 3: Cross multiply
    486,843.42x = 730,301.52 × 150,118.32
  4. Step 4: Simplify right side
    486,843.42x = 109,631,637,275.85
  5. Step 5: Solve for x
    x = 109,631,637,275.85/486,843.42
  6. Step 6: Final answer
    x = 225,188.70

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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.