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Finding the Fourth Proportional to 567,674.92, 783,334.02 and 313,019.56

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Solution

The fourth proportional to 567,674.92, 783,334.02 and 313,019.56 is: 431,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,674.92 : 783,334.02 = 313,019.56 : x
  2. Step 2: Convert to fraction form
    567,674.92/783,334.02 = 313,019.56/x
  3. Step 3: Cross multiply
    567,674.92x = 783,334.02 × 313,019.56
  4. Step 4: Simplify right side
    567,674.92x = 245,198,870,273.43
  5. Step 5: Solve for x
    x = 245,198,870,273.43/567,674.92
  6. Step 6: Final answer
    x = 431,935.36

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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.