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Finding the Fourth Proportional to 352,932.62, 529,355.15 and 208,924.13

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Solution

The fourth proportional to 352,932.62, 529,355.15 and 208,924.13 is: 313,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,932.62 : 529,355.15 = 208,924.13 : x
  2. Step 2: Convert to fraction form
    352,932.62/529,355.15 = 208,924.13/x
  3. Step 3: Cross multiply
    352,932.62x = 529,355.15 × 208,924.13
  4. Step 4: Simplify right side
    352,932.62x = 110,595,064,174.77
  5. Step 5: Solve for x
    x = 110,595,064,174.77/352,932.62
  6. Step 6: Final answer
    x = 313,360.28

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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.