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Finding the Fourth Proportional to 468,538.29, 702,801.21 and 113,555.37

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Solution

The fourth proportional to 468,538.29, 702,801.21 and 113,555.37 is: 170,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,538.29 : 702,801.21 = 113,555.37 : x
  2. Step 2: Convert to fraction form
    468,538.29/702,801.21 = 113,555.37/x
  3. Step 3: Cross multiply
    468,538.29x = 702,801.21 × 113,555.37
  4. Step 4: Simplify right side
    468,538.29x = 79,806,851,438.00
  5. Step 5: Solve for x
    x = 79,806,851,438.00/468,538.29
  6. Step 6: Final answer
    x = 170,331.55

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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.