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Finding the Fourth Proportional to 472,896.70, 709,345.05 and 444,903.10

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Solution

The fourth proportional to 472,896.70, 709,345.05 and 444,903.10 is: 667,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,896.70 : 709,345.05 = 444,903.10 : x
  2. Step 2: Convert to fraction form
    472,896.70/709,345.05 = 444,903.10/x
  3. Step 3: Cross multiply
    472,896.70x = 709,345.05 × 444,903.10
  4. Step 4: Simplify right side
    472,896.70x = 315,589,811,714.66
  5. Step 5: Solve for x
    x = 315,589,811,714.66/472,896.70
  6. Step 6: Final answer
    x = 667,354.65

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Double scale
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Similar ratio
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1.5x scale

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.