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Finding the Fourth Proportional to 481,245.76, 662,597.44 and 423,844.48

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Solution

The fourth proportional to 481,245.76, 662,597.44 and 423,844.48 is: 583,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,245.76 : 662,597.44 = 423,844.48 : x
  2. Step 2: Convert to fraction form
    481,245.76/662,597.44 = 423,844.48/x
  3. Step 3: Cross multiply
    481,245.76x = 662,597.44 × 423,844.48
  4. Step 4: Simplify right side
    481,245.76x = 280,838,267,406.13
  5. Step 5: Solve for x
    x = 280,838,267,406.13/481,245.76
  6. Step 6: Final answer
    x = 583,565.18

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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.