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Finding the Fourth Proportional to 371,052.78, 555,837.21 and 171,099.42

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Solution

The fourth proportional to 371,052.78, 555,837.21 and 171,099.42 is: 256,307.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,052.78 : 555,837.21 = 171,099.42 : x
  2. Step 2: Convert to fraction form
    371,052.78/555,837.21 = 171,099.42/x
  3. Step 3: Cross multiply
    371,052.78x = 555,837.21 × 171,099.42
  4. Step 4: Simplify right side
    371,052.78x = 95,103,424,245.42
  5. Step 5: Solve for x
    x = 95,103,424,245.42/371,052.78
  6. Step 6: Final answer
    x = 256,307.00

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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.