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Finding the Fourth Proportional to 573,217.11, 859,827.74 and 173,861.37

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Solution

The fourth proportional to 573,217.11, 859,827.74 and 173,861.37 is: 260,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,217.11 : 859,827.74 = 173,861.37 : x
  2. Step 2: Convert to fraction form
    573,217.11/859,827.74 = 173,861.37/x
  3. Step 3: Cross multiply
    573,217.11x = 859,827.74 × 173,861.37
  4. Step 4: Simplify right side
    573,217.11x = 149,490,827,971.10
  5. Step 5: Solve for x
    x = 149,490,827,971.10/573,217.11
  6. Step 6: Final answer
    x = 260,792.68

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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.