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Finding the Fourth Proportional to 486,760.16, 730,166.08 and 150,032.08

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Solution

The fourth proportional to 486,760.16, 730,166.08 and 150,032.08 is: 225,056.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,760.16 : 730,166.08 = 150,032.08 : x
  2. Step 2: Convert to fraction form
    486,760.16/730,166.08 = 150,032.08/x
  3. Step 3: Cross multiply
    486,760.16x = 730,166.08 × 150,032.08
  4. Step 4: Simplify right side
    486,760.16x = 109,548,335,727.85
  5. Step 5: Solve for x
    x = 109,548,335,727.85/486,760.16
  6. Step 6: Final answer
    x = 225,056.08

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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.