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Finding the Fourth Proportional to 355,242.84, 532,856.67 and 115,356.48

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Solution

The fourth proportional to 355,242.84, 532,856.67 and 115,356.48 is: 173,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,242.84 : 532,856.67 = 115,356.48 : x
  2. Step 2: Convert to fraction form
    355,242.84/532,856.67 = 115,356.48/x
  3. Step 3: Cross multiply
    355,242.84x = 532,856.67 × 115,356.48
  4. Step 4: Simplify right side
    355,242.84x = 61,468,469,795.72
  5. Step 5: Solve for x
    x = 61,468,469,795.72/355,242.84
  6. Step 6: Final answer
    x = 173,032.26

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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.