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Finding the Fourth Proportional to 352,327.60, 528,102.60 and 194,669.20

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Solution

The fourth proportional to 352,327.60, 528,102.60 and 194,669.20 is: 291,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,327.60 : 528,102.60 = 194,669.20 : x
  2. Step 2: Convert to fraction form
    352,327.60/528,102.60 = 194,669.20/x
  3. Step 3: Cross multiply
    352,327.60x = 528,102.60 × 194,669.20
  4. Step 4: Simplify right side
    352,327.60x = 102,805,310,659.92
  5. Step 5: Solve for x
    x = 102,805,310,659.92/352,327.60
  6. Step 6: Final answer
    x = 291,788.98

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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.