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Finding the Fourth Proportional to 303,064.86, 418,127.94 and 195,707.46

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Solution

The fourth proportional to 303,064.86, 418,127.94 and 195,707.46 is: 270,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,064.86 : 418,127.94 = 195,707.46 : x
  2. Step 2: Convert to fraction form
    303,064.86/418,127.94 = 195,707.46/x
  3. Step 3: Cross multiply
    303,064.86x = 418,127.94 × 195,707.46
  4. Step 4: Simplify right side
    303,064.86x = 81,830,757,092.43
  5. Step 5: Solve for x
    x = 81,830,757,092.43/303,064.86
  6. Step 6: Final answer
    x = 270,010.71

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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.