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Finding the Fourth Proportional to 606,486.60, 910,478.70 and 381,846.60

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Solution

The fourth proportional to 606,486.60, 910,478.70 and 381,846.60 is: 573,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,486.60 : 910,478.70 = 381,846.60 : x
  2. Step 2: Convert to fraction form
    606,486.60/910,478.70 = 381,846.60/x
  3. Step 3: Cross multiply
    606,486.60x = 910,478.70 × 381,846.60
  4. Step 4: Simplify right side
    606,486.60x = 347,663,195,967.42
  5. Step 5: Solve for x
    x = 347,663,195,967.42/606,486.60
  6. Step 6: Final answer
    x = 573,241.35

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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.