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Finding the Fourth Proportional to 524,736.59, 787,129.38 and 169,778.39

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Solution

The fourth proportional to 524,736.59, 787,129.38 and 169,778.39 is: 254,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,736.59 : 787,129.38 = 169,778.39 : x
  2. Step 2: Convert to fraction form
    524,736.59/787,129.38 = 169,778.39/x
  3. Step 3: Cross multiply
    524,736.59x = 787,129.38 × 169,778.39
  4. Step 4: Simplify right side
    524,736.59x = 133,637,554,922.45
  5. Step 5: Solve for x
    x = 133,637,554,922.45/524,736.59
  6. Step 6: Final answer
    x = 254,675.51

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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.