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Finding the Fourth Proportional to 297,756.71, 446,588.13 and 247,478.49

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Solution

The fourth proportional to 297,756.71, 446,588.13 and 247,478.49 is: 371,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,756.71 : 446,588.13 = 247,478.49 : x
  2. Step 2: Convert to fraction form
    297,756.71/446,588.13 = 247,478.49/x
  3. Step 3: Cross multiply
    297,756.71x = 446,588.13 × 247,478.49
  4. Step 4: Simplify right side
    297,756.71x = 110,520,956,992.37
  5. Step 5: Solve for x
    x = 110,520,956,992.37/297,756.71
  6. Step 6: Final answer
    x = 371,178.73

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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.