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Finding the Fourth Proportional to 522,249.90, 783,374.85 and 344,715.38

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Solution

The fourth proportional to 522,249.90, 783,374.85 and 344,715.38 is: 517,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,249.90 : 783,374.85 = 344,715.38 : x
  2. Step 2: Convert to fraction form
    522,249.90/783,374.85 = 344,715.38/x
  3. Step 3: Cross multiply
    522,249.90x = 783,374.85 × 344,715.38
  4. Step 4: Simplify right side
    522,249.90x = 270,041,358,120.97
  5. Step 5: Solve for x
    x = 270,041,358,120.97/522,249.90
  6. Step 6: Final answer
    x = 517,073.07

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1.5x scale

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.