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Finding the Fourth Proportional to 604,216.26, 906,130.88 and 199,317.84

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Solution

The fourth proportional to 604,216.26, 906,130.88 and 199,317.84 is: 298,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,216.26 : 906,130.88 = 199,317.84 : x
  2. Step 2: Convert to fraction form
    604,216.26/906,130.88 = 199,317.84/x
  3. Step 3: Cross multiply
    604,216.26x = 906,130.88 × 199,317.84
  4. Step 4: Simplify right side
    604,216.26x = 180,608,049,758.90
  5. Step 5: Solve for x
    x = 180,608,049,758.90/604,216.26
  6. Step 6: Final answer
    x = 298,912.93

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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.