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Finding the Fourth Proportional to 352,596.29, 486,462.71 and 225,345.29

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Solution

The fourth proportional to 352,596.29, 486,462.71 and 225,345.29 is: 310,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,596.29 : 486,462.71 = 225,345.29 : x
  2. Step 2: Convert to fraction form
    352,596.29/486,462.71 = 225,345.29/x
  3. Step 3: Cross multiply
    352,596.29x = 486,462.71 × 225,345.29
  4. Step 4: Simplify right side
    352,596.29x = 109,622,078,590.19
  5. Step 5: Solve for x
    x = 109,622,078,590.19/352,596.29
  6. Step 6: Final answer
    x = 310,899.70

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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.