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Finding the Fourth Proportional to 522,286.72, 720,490.37 and 341,104.71

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Solution

The fourth proportional to 522,286.72, 720,490.37 and 341,104.71 is: 470,551.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,286.72 : 720,490.37 = 341,104.71 : x
  2. Step 2: Convert to fraction form
    522,286.72/720,490.37 = 341,104.71/x
  3. Step 3: Cross multiply
    522,286.72x = 720,490.37 × 341,104.71
  4. Step 4: Simplify right side
    522,286.72x = 245,762,653,408.67
  5. Step 5: Solve for x
    x = 245,762,653,408.67/522,286.72
  6. Step 6: Final answer
    x = 470,551.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.