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Finding the Fourth Proportional to 352,892.19, 529,040.72 and 153,062.09

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Solution

The fourth proportional to 352,892.19, 529,040.72 and 153,062.09 is: 229,464.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,892.19 : 529,040.72 = 153,062.09 : x
  2. Step 2: Convert to fraction form
    352,892.19/529,040.72 = 153,062.09/x
  3. Step 3: Cross multiply
    352,892.19x = 529,040.72 × 153,062.09
  4. Step 4: Simplify right side
    352,892.19x = 80,976,074,887.79
  5. Step 5: Solve for x
    x = 80,976,074,887.79/352,892.19
  6. Step 6: Final answer
    x = 229,464.06

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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.