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Finding the Fourth Proportional to 433,726.95, 650,570.78 and 113,871.28

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Solution

The fourth proportional to 433,726.95, 650,570.78 and 113,871.28 is: 170,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,726.95 : 650,570.78 = 113,871.28 : x
  2. Step 2: Convert to fraction form
    433,726.95/650,570.78 = 113,871.28/x
  3. Step 3: Cross multiply
    433,726.95x = 650,570.78 × 113,871.28
  4. Step 4: Simplify right side
    433,726.95x = 74,081,323,626.99
  5. Step 5: Solve for x
    x = 74,081,323,626.99/433,726.95
  6. Step 6: Final answer
    x = 170,801.75

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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.