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Finding the Fourth Proportional to 640,374.48, 960,561.71 and 241,104.82

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Solution

The fourth proportional to 640,374.48, 960,561.71 and 241,104.82 is: 361,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,374.48 : 960,561.71 = 241,104.82 : x
  2. Step 2: Convert to fraction form
    640,374.48/960,561.71 = 241,104.82/x
  3. Step 3: Cross multiply
    640,374.48x = 960,561.71 × 241,104.82
  4. Step 4: Simplify right side
    640,374.48x = 231,596,058,188.44
  5. Step 5: Solve for x
    x = 231,596,058,188.44/640,374.48
  6. Step 6: Final answer
    x = 361,657.23

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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.