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Finding the Fourth Proportional to 296,706, 445,114.80 and 119,227.08

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Solution

The fourth proportional to 296,706, 445,114.80 and 119,227.08 is: 178,863.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,706 : 445,114.80 = 119,227.08 : x
  2. Step 2: Convert to fraction form
    296,706/445,114.80 = 119,227.08/x
  3. Step 3: Cross multiply
    296,706x = 445,114.80 × 119,227.08
  4. Step 4: Simplify right side
    296,706x = 53,069,737,868.78
  5. Step 5: Solve for x
    x = 53,069,737,868.78/296,706
  6. Step 6: Final answer
    x = 178,863.04

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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.