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Finding the Fourth Proportional to 650,726.40, 976,235.40 and 251,331.60

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Solution

The fourth proportional to 650,726.40, 976,235.40 and 251,331.60 is: 377,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,726.40 : 976,235.40 = 251,331.60 : x
  2. Step 2: Convert to fraction form
    650,726.40/976,235.40 = 251,331.60/x
  3. Step 3: Cross multiply
    650,726.40x = 976,235.40 × 251,331.60
  4. Step 4: Simplify right side
    650,726.40x = 245,358,805,058.64
  5. Step 5: Solve for x
    x = 245,358,805,058.64/650,726.40
  6. Step 6: Final answer
    x = 377,053.71

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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.