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Finding the Fourth Proportional to 324,957.93, 487,676.45 and 154,180.36

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Solution

The fourth proportional to 324,957.93, 487,676.45 and 154,180.36 is: 231,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,957.93 : 487,676.45 = 154,180.36 : x
  2. Step 2: Convert to fraction form
    324,957.93/487,676.45 = 154,180.36/x
  3. Step 3: Cross multiply
    324,957.93x = 487,676.45 × 154,180.36
  4. Step 4: Simplify right side
    324,957.93x = 75,190,130,624.52
  5. Step 5: Solve for x
    x = 75,190,130,624.52/324,957.93
  6. Step 6: Final answer
    x = 231,384.20

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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.