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Finding the Fourth Proportional to 552,861.67, 829,291.80 and 173,815.49

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Solution

The fourth proportional to 552,861.67, 829,291.80 and 173,815.49 is: 260,723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,861.67 : 829,291.80 = 173,815.49 : x
  2. Step 2: Convert to fraction form
    552,861.67/829,291.80 = 173,815.49/x
  3. Step 3: Cross multiply
    552,861.67x = 829,291.80 × 173,815.49
  4. Step 4: Simplify right side
    552,861.67x = 144,143,760,569.98
  5. Step 5: Solve for x
    x = 144,143,760,569.98/552,861.67
  6. Step 6: Final answer
    x = 260,723.01

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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.