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Finding the Fourth Proportional to 303,637.48, 419,019.78 and 169,501.48

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Solution

The fourth proportional to 303,637.48, 419,019.78 and 169,501.48 is: 233,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,637.48 : 419,019.78 = 169,501.48 : x
  2. Step 2: Convert to fraction form
    303,637.48/419,019.78 = 169,501.48/x
  3. Step 3: Cross multiply
    303,637.48x = 419,019.78 × 169,501.48
  4. Step 4: Simplify right side
    303,637.48x = 71,024,472,859.27
  5. Step 5: Solve for x
    x = 71,024,472,859.27/303,637.48
  6. Step 6: Final answer
    x = 233,912.07

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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.