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Finding the Fourth Proportional to 368,645.91, 508,814.32 and 241,247.69

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Solution

The fourth proportional to 368,645.91, 508,814.32 and 241,247.69 is: 332,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,645.91 : 508,814.32 = 241,247.69 : x
  2. Step 2: Convert to fraction form
    368,645.91/508,814.32 = 241,247.69/x
  3. Step 3: Cross multiply
    368,645.91x = 508,814.32 × 241,247.69
  4. Step 4: Simplify right side
    368,645.91x = 122,750,279,338.92
  5. Step 5: Solve for x
    x = 122,750,279,338.92/368,645.91
  6. Step 6: Final answer
    x = 332,976.11

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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.