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Finding the Fourth Proportional to 578,697.98, 798,594.46 and 324,058.28

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Solution

The fourth proportional to 578,697.98, 798,594.46 and 324,058.28 is: 447,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,697.98 : 798,594.46 = 324,058.28 : x
  2. Step 2: Convert to fraction form
    578,697.98/798,594.46 = 324,058.28/x
  3. Step 3: Cross multiply
    578,697.98x = 798,594.46 × 324,058.28
  4. Step 4: Simplify right side
    578,697.98x = 258,791,142,322.01
  5. Step 5: Solve for x
    x = 258,791,142,322.01/578,697.98
  6. Step 6: Final answer
    x = 447,195.52

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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.