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Finding the Fourth Proportional to 352,580.60, 529,097.70 and 194,922.20

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Solution

The fourth proportional to 352,580.60, 529,097.70 and 194,922.20 is: 292,508.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,580.60 : 529,097.70 = 194,922.20 : x
  2. Step 2: Convert to fraction form
    352,580.60/529,097.70 = 194,922.20/x
  3. Step 3: Cross multiply
    352,580.60x = 529,097.70 × 194,922.20
  4. Step 4: Simplify right side
    352,580.60x = 103,132,887,698.94
  5. Step 5: Solve for x
    x = 103,132,887,698.94/352,580.60
  6. Step 6: Final answer
    x = 292,508.69

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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.