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Finding the Fourth Proportional to 291,061.92, 436,826.70 and 150,860.64

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Solution

The fourth proportional to 291,061.92, 436,826.70 and 150,860.64 is: 226,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,061.92 : 436,826.70 = 150,860.64 : x
  2. Step 2: Convert to fraction form
    291,061.92/436,826.70 = 150,860.64/x
  3. Step 3: Cross multiply
    291,061.92x = 436,826.70 × 150,860.64
  4. Step 4: Simplify right side
    291,061.92x = 65,899,955,531.09
  5. Step 5: Solve for x
    x = 65,899,955,531.09/291,061.92
  6. Step 6: Final answer
    x = 226,412.15

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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.