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Finding the Fourth Proportional to 352,593.63, 528,778.13 and 115,881.66

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Solution

The fourth proportional to 352,593.63, 528,778.13 and 115,881.66 is: 173,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,593.63 : 528,778.13 = 115,881.66 : x
  2. Step 2: Convert to fraction form
    352,593.63/528,778.13 = 115,881.66/x
  3. Step 3: Cross multiply
    352,593.63x = 528,778.13 × 115,881.66
  4. Step 4: Simplify right side
    352,593.63x = 61,275,686,896.69
  5. Step 5: Solve for x
    x = 61,275,686,896.69/352,593.63
  6. Step 6: Final answer
    x = 173,785.58

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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.