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Finding the Fourth Proportional to 448,167.53, 618,455.50 and 251,928.02

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Solution

The fourth proportional to 448,167.53, 618,455.50 and 251,928.02 is: 347,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,167.53 : 618,455.50 = 251,928.02 : x
  2. Step 2: Convert to fraction form
    448,167.53/618,455.50 = 251,928.02/x
  3. Step 3: Cross multiply
    448,167.53x = 618,455.50 × 251,928.02
  4. Step 4: Simplify right side
    448,167.53x = 155,806,271,906.52
  5. Step 5: Solve for x
    x = 155,806,271,906.52/448,167.53
  6. Step 6: Final answer
    x = 347,651.85

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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.