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Finding the Fourth Proportional to 548,655.36, 822,899.88 and 149,327.25

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Solution

The fourth proportional to 548,655.36, 822,899.88 and 149,327.25 is: 223,968.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,655.36 : 822,899.88 = 149,327.25 : x
  2. Step 2: Convert to fraction form
    548,655.36/822,899.88 = 149,327.25/x
  3. Step 3: Cross multiply
    548,655.36x = 822,899.88 × 149,327.25
  4. Step 4: Simplify right side
    548,655.36x = 122,881,376,105.73
  5. Step 5: Solve for x
    x = 122,881,376,105.73/548,655.36
  6. Step 6: Final answer
    x = 223,968.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.