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Finding the Fourth Proportional to 508,454.72, 701,667.60 and 282,099.68

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Solution

The fourth proportional to 508,454.72, 701,667.60 and 282,099.68 is: 389,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,454.72 : 701,667.60 = 282,099.68 : x
  2. Step 2: Convert to fraction form
    508,454.72/701,667.60 = 282,099.68/x
  3. Step 3: Cross multiply
    508,454.72x = 701,667.60 × 282,099.68
  4. Step 4: Simplify right side
    508,454.72x = 197,940,205,426.37
  5. Step 5: Solve for x
    x = 197,940,205,426.37/508,454.72
  6. Step 6: Final answer
    x = 389,297.61

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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.