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Finding the Fourth Proportional to 548,244.70, 756,593.40 and 306,527.89

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Solution

The fourth proportional to 548,244.70, 756,593.40 and 306,527.89 is: 423,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,244.70 : 756,593.40 = 306,527.89 : x
  2. Step 2: Convert to fraction form
    548,244.70/756,593.40 = 306,527.89/x
  3. Step 3: Cross multiply
    548,244.70x = 756,593.40 × 306,527.89
  4. Step 4: Simplify right side
    548,244.70x = 231,916,978,489.93
  5. Step 5: Solve for x
    x = 231,916,978,489.93/548,244.70
  6. Step 6: Final answer
    x = 423,017.27

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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.