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Finding the Fourth Proportional to 297,009.85, 445,502.53 and 107,474.71

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Solution

The fourth proportional to 297,009.85, 445,502.53 and 107,474.71 is: 161,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,009.85 : 445,502.53 = 107,474.71 : x
  2. Step 2: Convert to fraction form
    297,009.85/445,502.53 = 107,474.71/x
  3. Step 3: Cross multiply
    297,009.85x = 445,502.53 × 107,474.71
  4. Step 4: Simplify right side
    297,009.85x = 47,880,255,216.02
  5. Step 5: Solve for x
    x = 47,880,255,216.02/297,009.85
  6. Step 6: Final answer
    x = 161,207.63

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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.