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Finding the Fourth Proportional to 297,410.72, 410,399.52 and 176,531.36

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Solution

The fourth proportional to 297,410.72, 410,399.52 and 176,531.36 is: 243,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,410.72 : 410,399.52 = 176,531.36 : x
  2. Step 2: Convert to fraction form
    297,410.72/410,399.52 = 176,531.36/x
  3. Step 3: Cross multiply
    297,410.72x = 410,399.52 × 176,531.36
  4. Step 4: Simplify right side
    297,410.72x = 72,448,385,408.95
  5. Step 5: Solve for x
    x = 72,448,385,408.95/297,410.72
  6. Step 6: Final answer
    x = 243,597.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.