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Finding the Fourth Proportional to 526,635.24, 726,738.66 and 300,353.64

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Solution

The fourth proportional to 526,635.24, 726,738.66 and 300,353.64 is: 414,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,635.24 : 726,738.66 = 300,353.64 : x
  2. Step 2: Convert to fraction form
    526,635.24/726,738.66 = 300,353.64/x
  3. Step 3: Cross multiply
    526,635.24x = 726,738.66 × 300,353.64
  4. Step 4: Simplify right side
    526,635.24x = 218,278,601,859.72
  5. Step 5: Solve for x
    x = 218,278,601,859.72/526,635.24
  6. Step 6: Final answer
    x = 414,477.77

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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.