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Finding the Fourth Proportional to 577,751.89, 797,498.00 and 397,061.95

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Solution

The fourth proportional to 577,751.89, 797,498.00 and 397,061.95 is: 548,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,751.89 : 797,498.00 = 397,061.95 : x
  2. Step 2: Convert to fraction form
    577,751.89/797,498.00 = 397,061.95/x
  3. Step 3: Cross multiply
    577,751.89x = 797,498.00 × 397,061.95
  4. Step 4: Simplify right side
    577,751.89x = 316,656,108,511.03
  5. Step 5: Solve for x
    x = 316,656,108,511.03/577,751.89
  6. Step 6: Final answer
    x = 548,083.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.