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Finding the Fourth Proportional to 407,350.62, 614,689.16 and 393,277.28

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Solution

The fourth proportional to 407,350.62, 614,689.16 and 393,277.28 is: 593,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,350.62 : 614,689.16 = 393,277.28 : x
  2. Step 2: Convert to fraction form
    407,350.62/614,689.16 = 393,277.28/x
  3. Step 3: Cross multiply
    407,350.62x = 614,689.16 × 393,277.28
  4. Step 4: Simplify right side
    407,350.62x = 241,743,275,850.45
  5. Step 5: Solve for x
    x = 241,743,275,850.45/407,350.62
  6. Step 6: Final answer
    x = 593,452.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.