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Finding the Fourth Proportional to 367,203.78, 550,861.16 and 130,490.19

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Solution

The fourth proportional to 367,203.78, 550,861.16 and 130,490.19 is: 195,755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,203.78 : 550,861.16 = 130,490.19 : x
  2. Step 2: Convert to fraction form
    367,203.78/550,861.16 = 130,490.19/x
  3. Step 3: Cross multiply
    367,203.78x = 550,861.16 × 130,490.19
  4. Step 4: Simplify right side
    367,203.78x = 71,881,976,779.57
  5. Step 5: Solve for x
    x = 71,881,976,779.57/367,203.78
  6. Step 6: Final answer
    x = 195,755.00

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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.