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Finding the Fourth Proportional to 472,901.70, 709,352.55 and 444,908.10

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Solution

The fourth proportional to 472,901.70, 709,352.55 and 444,908.10 is: 667,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,901.70 : 709,352.55 = 444,908.10 : x
  2. Step 2: Convert to fraction form
    472,901.70/709,352.55 = 444,908.10/x
  3. Step 3: Cross multiply
    472,901.70x = 709,352.55 × 444,908.10
  4. Step 4: Simplify right side
    472,901.70x = 315,596,695,250.66
  5. Step 5: Solve for x
    x = 315,596,695,250.66/472,901.70
  6. Step 6: Final answer
    x = 667,362.15

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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.