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Finding the Fourth Proportional to 625,771.36, 938,562 and 205,037.92

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Solution

The fourth proportional to 625,771.36, 938,562 and 205,037.92 is: 307,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,771.36 : 938,562 = 205,037.92 : x
  2. Step 2: Convert to fraction form
    625,771.36/938,562 = 205,037.92/x
  3. Step 3: Cross multiply
    625,771.36x = 938,562 × 205,037.92
  4. Step 4: Simplify right side
    625,771.36x = 192,440,800,271.04
  5. Step 5: Solve for x
    x = 192,440,800,271.04/625,771.36
  6. Step 6: Final answer
    x = 307,525.74

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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.