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Finding the Fourth Proportional to 329,708.76, 493,794.05 and 240,741.60

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Solution

The fourth proportional to 329,708.76, 493,794.05 and 240,741.60 is: 360,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,708.76 : 493,794.05 = 240,741.60 : x
  2. Step 2: Convert to fraction form
    329,708.76/493,794.05 = 240,741.60/x
  3. Step 3: Cross multiply
    329,708.76x = 493,794.05 × 240,741.60
  4. Step 4: Simplify right side
    329,708.76x = 118,876,768,463.77
  5. Step 5: Solve for x
    x = 118,876,768,463.77/329,708.76
  6. Step 6: Final answer
    x = 360,550.83

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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.