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Finding the Fourth Proportional to 303,383.27, 418,668.55 and 167,417.15

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Solution

The fourth proportional to 303,383.27, 418,668.55 and 167,417.15 is: 231,035.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,383.27 : 418,668.55 = 167,417.15 : x
  2. Step 2: Convert to fraction form
    303,383.27/418,668.55 = 167,417.15/x
  3. Step 3: Cross multiply
    303,383.27x = 418,668.55 × 167,417.15
  4. Step 4: Simplify right side
    303,383.27x = 70,092,292,923.75
  5. Step 5: Solve for x
    x = 70,092,292,923.75/303,383.27
  6. Step 6: Final answer
    x = 231,035.46

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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.