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Finding the Fourth Proportional to 548,356.93, 822,552.26 and 149,006.18

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Solution

The fourth proportional to 548,356.93, 822,552.26 and 149,006.18 is: 223,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,356.93 : 822,552.26 = 149,006.18 : x
  2. Step 2: Convert to fraction form
    548,356.93/822,552.26 = 149,006.18/x
  3. Step 3: Cross multiply
    548,356.93x = 822,552.26 × 149,006.18
  4. Step 4: Simplify right side
    548,356.93x = 122,565,371,424.32
  5. Step 5: Solve for x
    x = 122,565,371,424.32/548,356.93
  6. Step 6: Final answer
    x = 223,513.86

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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.