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Finding the Fourth Proportional to 352,661.60, 529,219.20 and 195,003.20

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Solution

The fourth proportional to 352,661.60, 529,219.20 and 195,003.20 is: 292,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,661.60 : 529,219.20 = 195,003.20 : x
  2. Step 2: Convert to fraction form
    352,661.60/529,219.20 = 195,003.20/x
  3. Step 3: Cross multiply
    352,661.60x = 529,219.20 × 195,003.20
  4. Step 4: Simplify right side
    352,661.60x = 103,199,437,501.44
  5. Step 5: Solve for x
    x = 103,199,437,501.44/352,661.60
  6. Step 6: Final answer
    x = 292,630.21

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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.