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Finding the Fourth Proportional to 303,079.82, 418,288.12 and 174,058.76

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Solution

The fourth proportional to 303,079.82, 418,288.12 and 174,058.76 is: 240,222.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,079.82 : 418,288.12 = 174,058.76 : x
  2. Step 2: Convert to fraction form
    303,079.82/418,288.12 = 174,058.76/x
  3. Step 3: Cross multiply
    303,079.82x = 418,288.12 × 174,058.76
  4. Step 4: Simplify right side
    303,079.82x = 72,806,711,489.93
  5. Step 5: Solve for x
    x = 72,806,711,489.93/303,079.82
  6. Step 6: Final answer
    x = 240,222.89

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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.