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Finding the Fourth Proportional to 275,083.80, 413,281.80 and 246,215.40

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Solution

The fourth proportional to 275,083.80, 413,281.80 and 246,215.40 is: 369,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,083.80 : 413,281.80 = 246,215.40 : x
  2. Step 2: Convert to fraction form
    275,083.80/413,281.80 = 246,215.40/x
  3. Step 3: Cross multiply
    275,083.80x = 413,281.80 × 246,215.40
  4. Step 4: Simplify right side
    275,083.80x = 101,756,343,699.72
  5. Step 5: Solve for x
    x = 101,756,343,699.72/275,083.80
  6. Step 6: Final answer
    x = 369,910.35

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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.