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Finding the Fourth Proportional to 400,250.95, 552,510.66 and 271,365.96

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Solution

The fourth proportional to 400,250.95, 552,510.66 and 271,365.96 is: 374,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,250.95 : 552,510.66 = 271,365.96 : x
  2. Step 2: Convert to fraction form
    400,250.95/552,510.66 = 271,365.96/x
  3. Step 3: Cross multiply
    400,250.95x = 552,510.66 × 271,365.96
  4. Step 4: Simplify right side
    400,250.95x = 149,932,585,661.13
  5. Step 5: Solve for x
    x = 149,932,585,661.13/400,250.95
  6. Step 6: Final answer
    x = 374,596.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.