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Finding the Fourth Proportional to 332,713.20, 499,069.80 and 133,064.40

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Solution

The fourth proportional to 332,713.20, 499,069.80 and 133,064.40 is: 199,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,713.20 : 499,069.80 = 133,064.40 : x
  2. Step 2: Convert to fraction form
    332,713.20/499,069.80 = 133,064.40/x
  3. Step 3: Cross multiply
    332,713.20x = 499,069.80 × 133,064.40
  4. Step 4: Simplify right side
    332,713.20x = 66,408,423,495.12
  5. Step 5: Solve for x
    x = 66,408,423,495.12/332,713.20
  6. Step 6: Final answer
    x = 199,596.60

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1.5x scale

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.