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Finding the Fourth Proportional to 352,596.66, 486,463.23 and 225,345.66

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Solution

The fourth proportional to 352,596.66, 486,463.23 and 225,345.66 is: 310,900.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,596.66 : 486,463.23 = 225,345.66 : x
  2. Step 2: Convert to fraction form
    352,596.66/486,463.23 = 225,345.66/x
  3. Step 3: Cross multiply
    352,596.66x = 486,463.23 × 225,345.66
  4. Step 4: Simplify right side
    352,596.66x = 109,622,377,630.08
  5. Step 5: Solve for x
    x = 109,622,377,630.08/352,596.66
  6. Step 6: Final answer
    x = 310,900.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.