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Finding the Fourth Proportional to 330,970.59, 496,019.61 and 131,182.11

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Solution

The fourth proportional to 330,970.59, 496,019.61 and 131,182.11 is: 196,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,970.59 : 496,019.61 = 131,182.11 : x
  2. Step 2: Convert to fraction form
    330,970.59/496,019.61 = 131,182.11/x
  3. Step 3: Cross multiply
    330,970.59x = 496,019.61 × 131,182.11
  4. Step 4: Simplify right side
    330,970.59x = 65,068,899,041.18
  5. Step 5: Solve for x
    x = 65,068,899,041.18/330,970.59
  6. Step 6: Final answer
    x = 196,600.24

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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.