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Finding the Fourth Proportional to 332,658.39, 499,029.13 and 130,228.36

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Solution

The fourth proportional to 332,658.39, 499,029.13 and 130,228.36 is: 195,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,658.39 : 499,029.13 = 130,228.36 : x
  2. Step 2: Convert to fraction form
    332,658.39/499,029.13 = 130,228.36/x
  3. Step 3: Cross multiply
    332,658.39x = 499,029.13 × 130,228.36
  4. Step 4: Simplify right side
    332,658.39x = 64,987,743,741.07
  5. Step 5: Solve for x
    x = 64,987,743,741.07/332,658.39
  6. Step 6: Final answer
    x = 195,358.80

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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.