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Finding the Fourth Proportional to 548,374.42, 822,260.19 and 169,191.69

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Solution

The fourth proportional to 548,374.42, 822,260.19 and 169,191.69 is: 253,694.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,374.42 : 822,260.19 = 169,191.69 : x
  2. Step 2: Convert to fraction form
    548,374.42/822,260.19 = 169,191.69/x
  3. Step 3: Cross multiply
    548,374.42x = 822,260.19 × 169,191.69
  4. Step 4: Simplify right side
    548,374.42x = 139,119,588,716.81
  5. Step 5: Solve for x
    x = 139,119,588,716.81/548,374.42
  6. Step 6: Final answer
    x = 253,694.53

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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.