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Finding the Fourth Proportional to 352,459.52, 528,744.36 and 115,748.24

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Solution

The fourth proportional to 352,459.52, 528,744.36 and 115,748.24 is: 173,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,459.52 : 528,744.36 = 115,748.24 : x
  2. Step 2: Convert to fraction form
    352,459.52/528,744.36 = 115,748.24/x
  3. Step 3: Cross multiply
    352,459.52x = 528,744.36 × 115,748.24
  4. Step 4: Simplify right side
    352,459.52x = 61,201,229,079.93
  5. Step 5: Solve for x
    x = 61,201,229,079.93/352,459.52
  6. Step 6: Final answer
    x = 173,640.45

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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.