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Finding the Fourth Proportional to 332,671.80, 499,007.70 and 122,282.40

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Solution

The fourth proportional to 332,671.80, 499,007.70 and 122,282.40 is: 183,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,671.80 : 499,007.70 = 122,282.40 : x
  2. Step 2: Convert to fraction form
    332,671.80/499,007.70 = 122,282.40/x
  3. Step 3: Cross multiply
    332,671.80x = 499,007.70 × 122,282.40
  4. Step 4: Simplify right side
    332,671.80x = 61,019,859,174.48
  5. Step 5: Solve for x
    x = 61,019,859,174.48/332,671.80
  6. Step 6: Final answer
    x = 183,423.60

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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.