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Finding the Fourth Proportional to 548,850.43, 757,304.85 and 307,086.10

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Solution

The fourth proportional to 548,850.43, 757,304.85 and 307,086.10 is: 423,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,850.43 : 757,304.85 = 307,086.10 : x
  2. Step 2: Convert to fraction form
    548,850.43/757,304.85 = 307,086.10/x
  3. Step 3: Cross multiply
    548,850.43x = 757,304.85 × 307,086.10
  4. Step 4: Simplify right side
    548,850.43x = 232,557,792,897.59
  5. Step 5: Solve for x
    x = 232,557,792,897.59/548,850.43
  6. Step 6: Final answer
    x = 423,717.98

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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.