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Finding the Fourth Proportional to 404,842.32, 606,935.36 and 168,362.01

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Solution

The fourth proportional to 404,842.32, 606,935.36 and 168,362.01 is: 252,406.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,842.32 : 606,935.36 = 168,362.01 : x
  2. Step 2: Convert to fraction form
    404,842.32/606,935.36 = 168,362.01/x
  3. Step 3: Cross multiply
    404,842.32x = 606,935.36 × 168,362.01
  4. Step 4: Simplify right side
    404,842.32x = 102,184,857,570.58
  5. Step 5: Solve for x
    x = 102,184,857,570.58/404,842.32
  6. Step 6: Final answer
    x = 252,406.56

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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.