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Finding the Fourth Proportional to 769,530, 1,062,068.04 and 467,665.68

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Solution

The fourth proportional to 769,530, 1,062,068.04 and 467,665.68 is: 645,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,530 : 1,062,068.04 = 467,665.68 : x
  2. Step 2: Convert to fraction form
    769,530/1,062,068.04 = 467,665.68/x
  3. Step 3: Cross multiply
    769,530x = 1,062,068.04 × 467,665.68
  4. Step 4: Simplify right side
    769,530x = 496,692,772,132.87
  5. Step 5: Solve for x
    x = 496,692,772,132.87/769,530
  6. Step 6: Final answer
    x = 645,449.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.