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Finding the Fourth Proportional to 577,753.95, 797,500.86 and 397,064.01

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Solution

The fourth proportional to 577,753.95, 797,500.86 and 397,064.01 is: 548,086.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,753.95 : 797,500.86 = 397,064.01 : x
  2. Step 2: Convert to fraction form
    577,753.95/797,500.86 = 397,064.01/x
  3. Step 3: Cross multiply
    577,753.95x = 797,500.86 × 397,064.01
  4. Step 4: Simplify right side
    577,753.95x = 316,658,889,450.05
  5. Step 5: Solve for x
    x = 316,658,889,450.05/577,753.95
  6. Step 6: Final answer
    x = 548,086.07

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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.