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Finding the Fourth Proportional to 482,593.14, 666,037.58 and 278,643.71

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Solution

The fourth proportional to 482,593.14, 666,037.58 and 278,643.71 is: 384,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,593.14 : 666,037.58 = 278,643.71 : x
  2. Step 2: Convert to fraction form
    482,593.14/666,037.58 = 278,643.71/x
  3. Step 3: Cross multiply
    482,593.14x = 666,037.58 × 278,643.71
  4. Step 4: Simplify right side
    482,593.14x = 185,587,182,290.62
  5. Step 5: Solve for x
    x = 185,587,182,290.62/482,593.14
  6. Step 6: Final answer
    x = 384,562.41

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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.