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Finding the Fourth Proportional to 663,577, 995,369.15 and 164,941

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Solution

The fourth proportional to 663,577, 995,369.15 and 164,941 is: 247,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,577 : 995,369.15 = 164,941 : x
  2. Step 2: Convert to fraction form
    663,577/995,369.15 = 164,941/x
  3. Step 3: Cross multiply
    663,577x = 995,369.15 × 164,941
  4. Step 4: Simplify right side
    663,577x = 164,177,182,970.15
  5. Step 5: Solve for x
    x = 164,177,182,970.15/663,577
  6. Step 6: Final answer
    x = 247,412.41

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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.