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Finding the Fourth Proportional to 548,877.26, 757,099.14 and 440,242.26

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Solution

The fourth proportional to 548,877.26, 757,099.14 and 440,242.26 is: 607,252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,877.26 : 757,099.14 = 440,242.26 : x
  2. Step 2: Convert to fraction form
    548,877.26/757,099.14 = 440,242.26/x
  3. Step 3: Cross multiply
    548,877.26x = 757,099.14 × 440,242.26
  4. Step 4: Simplify right side
    548,877.26x = 333,307,036,437.66
  5. Step 5: Solve for x
    x = 333,307,036,437.66/548,877.26
  6. Step 6: Final answer
    x = 607,252.41

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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.