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Finding the Fourth Proportional to 468,538.56, 702,801.77 and 113,555.66

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Solution

The fourth proportional to 468,538.56, 702,801.77 and 113,555.66 is: 170,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,538.56 : 702,801.77 = 113,555.66 : x
  2. Step 2: Convert to fraction form
    468,538.56/702,801.77 = 113,555.66/x
  3. Step 3: Cross multiply
    468,538.56x = 702,801.77 × 113,555.66
  4. Step 4: Simplify right side
    468,538.56x = 79,807,114,759.73
  5. Step 5: Solve for x
    x = 79,807,114,759.73/468,538.56
  6. Step 6: Final answer
    x = 170,332.01

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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.