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Finding the Fourth Proportional to 573,200.55, 859,808.93 and 218,233.98

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Solution

The fourth proportional to 573,200.55, 859,808.93 and 218,233.98 is: 327,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,200.55 : 859,808.93 = 218,233.98 : x
  2. Step 2: Convert to fraction form
    573,200.55/859,808.93 = 218,233.98/x
  3. Step 3: Cross multiply
    573,200.55x = 859,808.93 × 218,233.98
  4. Step 4: Simplify right side
    573,200.55x = 187,639,523,742.27
  5. Step 5: Solve for x
    x = 187,639,523,742.27/573,200.55
  6. Step 6: Final answer
    x = 327,354.05

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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.