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Finding the Fourth Proportional to 548,383.39, 756,754.86 and 303,377.19

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Solution

The fourth proportional to 548,383.39, 756,754.86 and 303,377.19 is: 418,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,383.39 : 756,754.86 = 303,377.19 : x
  2. Step 2: Convert to fraction form
    548,383.39/756,754.86 = 303,377.19/x
  3. Step 3: Cross multiply
    548,383.39x = 756,754.86 × 303,377.19
  4. Step 4: Simplify right side
    548,383.39x = 229,582,164,837.53
  5. Step 5: Solve for x
    x = 229,582,164,837.53/548,383.39
  6. Step 6: Final answer
    x = 418,652.66

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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.