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Finding the Fourth Proportional to 500,726.25, 751,207.50 and 163,765.59

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Solution

The fourth proportional to 500,726.25, 751,207.50 and 163,765.59 is: 245,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,726.25 : 751,207.50 = 163,765.59 : x
  2. Step 2: Convert to fraction form
    500,726.25/751,207.50 = 163,765.59/x
  3. Step 3: Cross multiply
    500,726.25x = 751,207.50 × 163,765.59
  4. Step 4: Simplify right side
    500,726.25x = 123,021,939,449.93
  5. Step 5: Solve for x
    x = 123,021,939,449.93/500,726.25
  6. Step 6: Final answer
    x = 245,687.02

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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.