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Finding the Fourth Proportional to 291,995.92, 437,425.79 and 191,851.84

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Solution

The fourth proportional to 291,995.92, 437,425.79 and 191,851.84 is: 287,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,995.92 : 437,425.79 = 191,851.84 : x
  2. Step 2: Convert to fraction form
    291,995.92/437,425.79 = 191,851.84/x
  3. Step 3: Cross multiply
    291,995.92x = 437,425.79 × 191,851.84
  4. Step 4: Simplify right side
    291,995.92x = 83,920,940,487.82
  5. Step 5: Solve for x
    x = 83,920,940,487.82/291,995.92
  6. Step 6: Final answer
    x = 287,404.50

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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.