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Finding the Fourth Proportional to 376,883.55, 565,255.62 and 171,669.81

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Solution

The fourth proportional to 376,883.55, 565,255.62 and 171,669.81 is: 257,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,883.55 : 565,255.62 = 171,669.81 : x
  2. Step 2: Convert to fraction form
    376,883.55/565,255.62 = 171,669.81/x
  3. Step 3: Cross multiply
    376,883.55x = 565,255.62 × 171,669.81
  4. Step 4: Simplify right side
    376,883.55x = 97,037,324,886.83
  5. Step 5: Solve for x
    x = 97,037,324,886.83/376,883.55
  6. Step 6: Final answer
    x = 257,472.96

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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.