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Finding the Fourth Proportional to 573,551.10, 859,823.63 and 218,328.84

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Solution

The fourth proportional to 573,551.10, 859,823.63 and 218,328.84 is: 327,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,551.10 : 859,823.63 = 218,328.84 : x
  2. Step 2: Convert to fraction form
    573,551.10/859,823.63 = 218,328.84/x
  3. Step 3: Cross multiply
    573,551.10x = 859,823.63 × 218,328.84
  4. Step 4: Simplify right side
    573,551.10x = 187,724,294,650.85
  5. Step 5: Solve for x
    x = 187,724,294,650.85/573,551.10
  6. Step 6: Final answer
    x = 327,301.78

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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.