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Finding the Fourth Proportional to 548,205.40, 822,207.48 and 248,613.94

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Solution

The fourth proportional to 548,205.40, 822,207.48 and 248,613.94 is: 372,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,205.40 : 822,207.48 = 248,613.94 : x
  2. Step 2: Convert to fraction form
    548,205.40/822,207.48 = 248,613.94/x
  3. Step 3: Cross multiply
    548,205.40x = 822,207.48 × 248,613.94
  4. Step 4: Simplify right side
    548,205.40x = 204,412,241,100.27
  5. Step 5: Solve for x
    x = 204,412,241,100.27/548,205.40
  6. Step 6: Final answer
    x = 372,875.28

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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.