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Finding the Fourth Proportional to 522,247.08, 783,370.62 and 344,712.57

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Solution

The fourth proportional to 522,247.08, 783,370.62 and 344,712.57 is: 517,068.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,247.08 : 783,370.62 = 344,712.57 : x
  2. Step 2: Convert to fraction form
    522,247.08/783,370.62 = 344,712.57/x
  3. Step 3: Cross multiply
    522,247.08x = 783,370.62 × 344,712.57
  4. Step 4: Simplify right side
    522,247.08x = 270,037,698,507.75
  5. Step 5: Solve for x
    x = 270,037,698,507.75/522,247.08
  6. Step 6: Final answer
    x = 517,068.86

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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.