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Finding the Fourth Proportional to 295,260.12, 443,020.32 and 154,986.48

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Solution

The fourth proportional to 295,260.12, 443,020.32 and 154,986.48 is: 232,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,260.12 : 443,020.32 = 154,986.48 : x
  2. Step 2: Convert to fraction form
    295,260.12/443,020.32 = 154,986.48/x
  3. Step 3: Cross multiply
    295,260.12x = 443,020.32 × 154,986.48
  4. Step 4: Simplify right side
    295,260.12x = 68,662,159,965.27
  5. Step 5: Solve for x
    x = 68,662,159,965.27/295,260.12
  6. Step 6: Final answer
    x = 232,548.03

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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.