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Finding the Fourth Proportional to 324,574.48, 448,086.36 and 217,327.24

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Solution

The fourth proportional to 324,574.48, 448,086.36 and 217,327.24 is: 300,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,574.48 : 448,086.36 = 217,327.24 : x
  2. Step 2: Convert to fraction form
    324,574.48/448,086.36 = 217,327.24/x
  3. Step 3: Cross multiply
    324,574.48x = 448,086.36 × 217,327.24
  4. Step 4: Simplify right side
    324,574.48x = 97,381,371,900.45
  5. Step 5: Solve for x
    x = 97,381,371,900.45/324,574.48
  6. Step 6: Final answer
    x = 300,027.81

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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.