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Finding the Fourth Proportional to 508,346.39, 700,942.77 and 324,338.69

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Solution

The fourth proportional to 508,346.39, 700,942.77 and 324,338.69 is: 447,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,346.39 : 700,942.77 = 324,338.69 : x
  2. Step 2: Convert to fraction form
    508,346.39/700,942.77 = 324,338.69/x
  3. Step 3: Cross multiply
    508,346.39x = 700,942.77 × 324,338.69
  4. Step 4: Simplify right side
    508,346.39x = 227,342,856,282.06
  5. Step 5: Solve for x
    x = 227,342,856,282.06/508,346.39
  6. Step 6: Final answer
    x = 447,220.37

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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.