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Finding the Fourth Proportional to 483,893.84, 725,928.06 and 199,426.30

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Solution

The fourth proportional to 483,893.84, 725,928.06 and 199,426.30 is: 299,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,893.84 : 725,928.06 = 199,426.30 : x
  2. Step 2: Convert to fraction form
    483,893.84/725,928.06 = 199,426.30/x
  3. Step 3: Cross multiply
    483,893.84x = 725,928.06 × 199,426.30
  4. Step 4: Simplify right side
    483,893.84x = 144,769,149,807.91
  5. Step 5: Solve for x
    x = 144,769,149,807.91/483,893.84
  6. Step 6: Final answer
    x = 299,175.44

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1.5x scale

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.