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Finding the Fourth Proportional to 522,658.50, 783,913.98 and 167,626.44

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Solution

The fourth proportional to 522,658.50, 783,913.98 and 167,626.44 is: 251,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,658.50 : 783,913.98 = 167,626.44 : x
  2. Step 2: Convert to fraction form
    522,658.50/783,913.98 = 167,626.44/x
  3. Step 3: Cross multiply
    522,658.50x = 783,913.98 × 167,626.44
  4. Step 4: Simplify right side
    522,658.50x = 131,404,709,733.63
  5. Step 5: Solve for x
    x = 131,404,709,733.63/522,658.50
  6. Step 6: Final answer
    x = 251,416.00

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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.