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Finding the Fourth Proportional to 508,322.56, 701,412.27 and 304,324.67

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Solution

The fourth proportional to 508,322.56, 701,412.27 and 304,324.67 is: 419,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,322.56 : 701,412.27 = 304,324.67 : x
  2. Step 2: Convert to fraction form
    508,322.56/701,412.27 = 304,324.67/x
  3. Step 3: Cross multiply
    508,322.56x = 701,412.27 × 304,324.67
  4. Step 4: Simplify right side
    508,322.56x = 213,457,057,601.70
  5. Step 5: Solve for x
    x = 213,457,057,601.70/508,322.56
  6. Step 6: Final answer
    x = 419,924.42

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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.