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Finding the Fourth Proportional to 615,104.62, 848,825.13 and 360,625.30

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Solution

The fourth proportional to 615,104.62, 848,825.13 and 360,625.30 is: 497,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,104.62 : 848,825.13 = 360,625.30 : x
  2. Step 2: Convert to fraction form
    615,104.62/848,825.13 = 360,625.30/x
  3. Step 3: Cross multiply
    615,104.62x = 848,825.13 × 360,625.30
  4. Step 4: Simplify right side
    615,104.62x = 306,107,817,153.79
  5. Step 5: Solve for x
    x = 306,107,817,153.79/615,104.62
  6. Step 6: Final answer
    x = 497,651.63

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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.