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Finding the Fourth Proportional to 549,168.62, 823,728.30 and 149,808.11

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Solution

The fourth proportional to 549,168.62, 823,728.30 and 149,808.11 is: 224,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,168.62 : 823,728.30 = 149,808.11 : x
  2. Step 2: Convert to fraction form
    549,168.62/823,728.30 = 149,808.11/x
  3. Step 3: Cross multiply
    549,168.62x = 823,728.30 × 149,808.11
  4. Step 4: Simplify right side
    549,168.62x = 123,401,175,657.87
  5. Step 5: Solve for x
    x = 123,401,175,657.87/549,168.62
  6. Step 6: Final answer
    x = 224,705.44

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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.