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Finding the Fourth Proportional to 474,544.91, 654,872 and 259,684.99

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Solution

The fourth proportional to 474,544.91, 654,872 and 259,684.99 is: 358,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,544.91 : 654,872 = 259,684.99 : x
  2. Step 2: Convert to fraction form
    474,544.91/654,872 = 259,684.99/x
  3. Step 3: Cross multiply
    474,544.91x = 654,872 × 259,684.99
  4. Step 4: Simplify right side
    474,544.91x = 170,060,428,771.28
  5. Step 5: Solve for x
    x = 170,060,428,771.28/474,544.91
  6. Step 6: Final answer
    x = 358,365.30

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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.