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Finding the Fourth Proportional to 548,878.26, 757,100.52 and 440,243.26

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Solution

The fourth proportional to 548,878.26, 757,100.52 and 440,243.26 is: 607,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,878.26 : 757,100.52 = 440,243.26 : x
  2. Step 2: Convert to fraction form
    548,878.26/757,100.52 = 440,243.26/x
  3. Step 3: Cross multiply
    548,878.26x = 757,100.52 × 440,243.26
  4. Step 4: Simplify right side
    548,878.26x = 333,308,401,072.50
  5. Step 5: Solve for x
    x = 333,308,401,072.50/548,878.26
  6. Step 6: Final answer
    x = 607,253.79

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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.