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Finding the Fourth Proportional to 433,838.61, 650,819.85 and 134,345.97

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Solution

The fourth proportional to 433,838.61, 650,819.85 and 134,345.97 is: 201,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,838.61 : 650,819.85 = 134,345.97 : x
  2. Step 2: Convert to fraction form
    433,838.61/650,819.85 = 134,345.97/x
  3. Step 3: Cross multiply
    433,838.61x = 650,819.85 × 134,345.97
  4. Step 4: Simplify right side
    433,838.61x = 87,435,024,043.50
  5. Step 5: Solve for x
    x = 87,435,024,043.50/433,838.61
  6. Step 6: Final answer
    x = 201,538.13

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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.