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Finding the Fourth Proportional to 329,707.26, 493,791.80 and 240,740.10

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Solution

The fourth proportional to 329,707.26, 493,791.80 and 240,740.10 is: 360,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,707.26 : 493,791.80 = 240,740.10 : x
  2. Step 2: Convert to fraction form
    329,707.26/493,791.80 = 240,740.10/x
  3. Step 3: Cross multiply
    329,707.26x = 493,791.80 × 240,740.10
  4. Step 4: Simplify right side
    329,707.26x = 118,875,486,107.48
  5. Step 5: Solve for x
    x = 118,875,486,107.48/329,707.26
  6. Step 6: Final answer
    x = 360,548.59

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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.