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Finding the Fourth Proportional to 433,789.59, 650,711.95 and 134,245.02

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Solution

The fourth proportional to 433,789.59, 650,711.95 and 134,245.02 is: 201,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,789.59 : 650,711.95 = 134,245.02 : x
  2. Step 2: Convert to fraction form
    433,789.59/650,711.95 = 134,245.02/x
  3. Step 3: Cross multiply
    433,789.59x = 650,711.95 × 134,245.02
  4. Step 4: Simplify right side
    433,789.59x = 87,354,838,406.38
  5. Step 5: Solve for x
    x = 87,354,838,406.38/433,789.59
  6. Step 6: Final answer
    x = 201,376.06

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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.