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Finding the Fourth Proportional to 472,469.70, 708,704.55 and 417,357.30

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Solution

The fourth proportional to 472,469.70, 708,704.55 and 417,357.30 is: 626,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,469.70 : 708,704.55 = 417,357.30 : x
  2. Step 2: Convert to fraction form
    472,469.70/708,704.55 = 417,357.30/x
  3. Step 3: Cross multiply
    472,469.70x = 708,704.55 × 417,357.30
  4. Step 4: Simplify right side
    472,469.70x = 295,783,017,485.72
  5. Step 5: Solve for x
    x = 295,783,017,485.72/472,469.70
  6. Step 6: Final answer
    x = 626,035.95

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Similar ratio
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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.