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Finding the Fourth Proportional to 448,172.52, 618,462.36 and 251,933.01

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Solution

The fourth proportional to 448,172.52, 618,462.36 and 251,933.01 is: 347,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,172.52 : 618,462.36 = 251,933.01 : x
  2. Step 2: Convert to fraction form
    448,172.52/618,462.36 = 251,933.01/x
  3. Step 3: Cross multiply
    448,172.52x = 618,462.36 × 251,933.01
  4. Step 4: Simplify right side
    448,172.52x = 155,811,083,926.50
  5. Step 5: Solve for x
    x = 155,811,083,926.50/448,172.52
  6. Step 6: Final answer
    x = 347,658.72

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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.