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Finding the Fourth Proportional to 524,736.26, 787,129 and 169,778.06

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Solution

The fourth proportional to 524,736.26, 787,129 and 169,778.06 is: 254,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,736.26 : 787,129 = 169,778.06 : x
  2. Step 2: Convert to fraction form
    524,736.26/787,129 = 169,778.06/x
  3. Step 3: Cross multiply
    524,736.26x = 787,129 × 169,778.06
  4. Step 4: Simplify right side
    524,736.26x = 133,637,234,589.74
  5. Step 5: Solve for x
    x = 133,637,234,589.74/524,736.26
  6. Step 6: Final answer
    x = 254,675.05

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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.