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Finding the Fourth Proportional to 352,597.16, 486,463.92 and 225,346.16

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Solution

The fourth proportional to 352,597.16, 486,463.92 and 225,346.16 is: 310,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,597.16 : 486,463.92 = 225,346.16 : x
  2. Step 2: Convert to fraction form
    352,597.16/486,463.92 = 225,346.16/x
  3. Step 3: Cross multiply
    352,597.16x = 486,463.92 × 225,346.16
  4. Step 4: Simplify right side
    352,597.16x = 109,622,776,350.55
  5. Step 5: Solve for x
    x = 109,622,776,350.55/352,597.16
  6. Step 6: Final answer
    x = 310,900.91

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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.