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Finding the Fourth Proportional to 555,261.40, 833,234.72 and 218,242.84

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Solution

The fourth proportional to 555,261.40, 833,234.72 and 218,242.84 is: 327,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,261.40 : 833,234.72 = 218,242.84 : x
  2. Step 2: Convert to fraction form
    555,261.40/833,234.72 = 218,242.84/x
  3. Step 3: Cross multiply
    555,261.40x = 833,234.72 × 218,242.84
  4. Step 4: Simplify right side
    555,261.40x = 181,847,511,679.41
  5. Step 5: Solve for x
    x = 181,847,511,679.41/555,261.40
  6. Step 6: Final answer
    x = 327,498.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.