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Finding the Fourth Proportional to 352,887.52, 529,261.32 and 172,895.92

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Solution

The fourth proportional to 352,887.52, 529,261.32 and 172,895.92 is: 259,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,887.52 : 529,261.32 = 172,895.92 : x
  2. Step 2: Convert to fraction form
    352,887.52/529,261.32 = 172,895.92/x
  3. Step 3: Cross multiply
    352,887.52x = 529,261.32 × 172,895.92
  4. Step 4: Simplify right side
    352,887.52x = 91,507,122,841.81
  5. Step 5: Solve for x
    x = 91,507,122,841.81/352,887.52
  6. Step 6: Final answer
    x = 259,309.60

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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.