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Finding the Fourth Proportional to 439,600.74, 606,674.60 and 246,006.81

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Solution

The fourth proportional to 439,600.74, 606,674.60 and 246,006.81 is: 339,503.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,600.74 : 606,674.60 = 246,006.81 : x
  2. Step 2: Convert to fraction form
    439,600.74/606,674.60 = 246,006.81/x
  3. Step 3: Cross multiply
    439,600.74x = 606,674.60 × 246,006.81
  4. Step 4: Simplify right side
    439,600.74x = 149,246,082,746.52
  5. Step 5: Solve for x
    x = 149,246,082,746.52/439,600.74
  6. Step 6: Final answer
    x = 339,503.71

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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.