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Finding the Fourth Proportional to 522,263.92, 783,745.80 and 335,406.64

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Solution

The fourth proportional to 522,263.92, 783,745.80 and 335,406.64 is: 503,334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,263.92 : 783,745.80 = 335,406.64 : x
  2. Step 2: Convert to fraction form
    522,263.92/783,745.80 = 335,406.64/x
  3. Step 3: Cross multiply
    522,263.92x = 783,745.80 × 335,406.64
  4. Step 4: Simplify right side
    522,263.92x = 262,873,545,392.11
  5. Step 5: Solve for x
    x = 262,873,545,392.11/522,263.92
  6. Step 6: Final answer
    x = 503,334.68

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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.