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Finding the Fourth Proportional to 296,888.40, 444,739.68 and 178,495.56

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Solution

The fourth proportional to 296,888.40, 444,739.68 and 178,495.56 is: 267,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,888.40 : 444,739.68 = 178,495.56 : x
  2. Step 2: Convert to fraction form
    296,888.40/444,739.68 = 178,495.56/x
  3. Step 3: Cross multiply
    296,888.40x = 444,739.68 × 178,495.56
  4. Step 4: Simplify right side
    296,888.40x = 79,384,058,235.82
  5. Step 5: Solve for x
    x = 79,384,058,235.82/296,888.40
  6. Step 6: Final answer
    x = 267,386.86

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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.