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Finding the Fourth Proportional to 508,348.22, 700,945.29 and 324,340.56

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Solution

The fourth proportional to 508,348.22, 700,945.29 and 324,340.56 is: 447,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,348.22 : 700,945.29 = 324,340.56 : x
  2. Step 2: Convert to fraction form
    508,348.22/700,945.29 = 324,340.56/x
  3. Step 3: Cross multiply
    508,348.22x = 700,945.29 × 324,340.56
  4. Step 4: Simplify right side
    508,348.22x = 227,344,987,887.96
  5. Step 5: Solve for x
    x = 227,344,987,887.96/508,348.22
  6. Step 6: Final answer
    x = 447,222.95

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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.