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Finding the Fourth Proportional to 548,554.05, 822,535.21 and 248,871.10

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Solution

The fourth proportional to 548,554.05, 822,535.21 and 248,871.10 is: 373,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,554.05 : 822,535.21 = 248,871.10 : x
  2. Step 2: Convert to fraction form
    548,554.05/822,535.21 = 248,871.10/x
  3. Step 3: Cross multiply
    548,554.05x = 822,535.21 × 248,871.10
  4. Step 4: Simplify right side
    548,554.05x = 204,705,242,501.43
  5. Step 5: Solve for x
    x = 204,705,242,501.43/548,554.05
  6. Step 6: Final answer
    x = 373,172.42

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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.