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Finding the Fourth Proportional to 472,179.00, 708,008.79 and 322,588.20

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Solution

The fourth proportional to 472,179.00, 708,008.79 and 322,588.20 is: 483,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,179.00 : 708,008.79 = 322,588.20 : x
  2. Step 2: Convert to fraction form
    472,179.00/708,008.79 = 322,588.20/x
  3. Step 3: Cross multiply
    472,179.00x = 708,008.79 × 322,588.20
  4. Step 4: Simplify right side
    472,179.00x = 228,395,276,772.99
  5. Step 5: Solve for x
    x = 228,395,276,772.99/472,179.00
  6. Step 6: Final answer
    x = 483,704.86

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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.