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Finding the Fourth Proportional to 474,267.64, 654,494.42 and 259,403.11

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Solution

The fourth proportional to 474,267.64, 654,494.42 and 259,403.11 is: 357,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,267.64 : 654,494.42 = 259,403.11 : x
  2. Step 2: Convert to fraction form
    474,267.64/654,494.42 = 259,403.11/x
  3. Step 3: Cross multiply
    474,267.64x = 654,494.42 × 259,403.11
  4. Step 4: Simplify right side
    474,267.64x = 169,777,888,025.65
  5. Step 5: Solve for x
    x = 169,777,888,025.65/474,267.64
  6. Step 6: Final answer
    x = 357,979.07

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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.