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Finding the Fourth Proportional to 640,372.48, 960,558.71 and 241,102.82

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Solution

The fourth proportional to 640,372.48, 960,558.71 and 241,102.82 is: 361,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,372.48 : 960,558.71 = 241,102.82 : x
  2. Step 2: Convert to fraction form
    640,372.48/960,558.71 = 241,102.82/x
  3. Step 3: Cross multiply
    640,372.48x = 960,558.71 × 241,102.82
  4. Step 4: Simplify right side
    640,372.48x = 231,593,413,756.56
  5. Step 5: Solve for x
    x = 231,593,413,756.56/640,372.48
  6. Step 6: Final answer
    x = 361,654.23

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Double scale
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1.5x scale

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.