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Finding the Fourth Proportional to 373,820.58, 515,870.91 and 204,054.84

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Solution

The fourth proportional to 373,820.58, 515,870.91 and 204,054.84 is: 281,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,820.58 : 515,870.91 = 204,054.84 : x
  2. Step 2: Convert to fraction form
    373,820.58/515,870.91 = 204,054.84/x
  3. Step 3: Cross multiply
    373,820.58x = 515,870.91 × 204,054.84
  4. Step 4: Simplify right side
    373,820.58x = 105,265,956,000.70
  5. Step 5: Solve for x
    x = 105,265,956,000.70/373,820.58
  6. Step 6: Final answer
    x = 281,594.87

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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.