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Finding the Fourth Proportional to 290,922.48, 401,475.51 and 163,596.96

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Solution

The fourth proportional to 290,922.48, 401,475.51 and 163,596.96 is: 225,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,922.48 : 401,475.51 = 163,596.96 : x
  2. Step 2: Convert to fraction form
    290,922.48/401,475.51 = 163,596.96/x
  3. Step 3: Cross multiply
    290,922.48x = 401,475.51 × 163,596.96
  4. Step 4: Simplify right side
    290,922.48x = 65,680,172,950.45
  5. Step 5: Solve for x
    x = 65,680,172,950.45/290,922.48
  6. Step 6: Final answer
    x = 225,765.20

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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.