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Finding the Fourth Proportional to 472,327.43, 708,231.13 and 322,736.63

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Solution

The fourth proportional to 472,327.43, 708,231.13 and 322,736.63 is: 483,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,327.43 : 708,231.13 = 322,736.63 : x
  2. Step 2: Convert to fraction form
    472,327.43/708,231.13 = 322,736.63/x
  3. Step 3: Cross multiply
    472,327.43x = 708,231.13 × 322,736.63
  4. Step 4: Simplify right side
    472,327.43x = 228,572,123,809.30
  5. Step 5: Solve for x
    x = 228,572,123,809.30/472,327.43
  6. Step 6: Final answer
    x = 483,927.28

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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.