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Finding the Fourth Proportional to 374,827.80, 562,500.90 and 269,722.20

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Solution

The fourth proportional to 374,827.80, 562,500.90 and 269,722.20 is: 404,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,827.80 : 562,500.90 = 269,722.20 : x
  2. Step 2: Convert to fraction form
    374,827.80/562,500.90 = 269,722.20/x
  3. Step 3: Cross multiply
    374,827.80x = 562,500.90 × 269,722.20
  4. Step 4: Simplify right side
    374,827.80x = 151,718,980,249.98
  5. Step 5: Solve for x
    x = 151,718,980,249.98/374,827.80
  6. Step 6: Final answer
    x = 404,769.82

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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.