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Finding the Fourth Proportional to 332,701.20, 499,051.80 and 133,052.40

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Solution

The fourth proportional to 332,701.20, 499,051.80 and 133,052.40 is: 199,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,701.20 : 499,051.80 = 133,052.40 : x
  2. Step 2: Convert to fraction form
    332,701.20/499,051.80 = 133,052.40/x
  3. Step 3: Cross multiply
    332,701.20x = 499,051.80 × 133,052.40
  4. Step 4: Simplify right side
    332,701.20x = 66,400,039,714.32
  5. Step 5: Solve for x
    x = 66,400,039,714.32/332,701.20
  6. Step 6: Final answer
    x = 199,578.60

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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.