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Finding the Fourth Proportional to 332,043.40, 497,762.70 and 121,630.60

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Solution

The fourth proportional to 332,043.40, 497,762.70 and 121,630.60 is: 182,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,043.40 : 497,762.70 = 121,630.60 : x
  2. Step 2: Convert to fraction form
    332,043.40/497,762.70 = 121,630.60/x
  3. Step 3: Cross multiply
    332,043.40x = 497,762.70 × 121,630.60
  4. Step 4: Simplify right side
    332,043.40x = 60,543,175,858.62
  5. Step 5: Solve for x
    x = 60,543,175,858.62/332,043.40
  6. Step 6: Final answer
    x = 182,335.13

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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.