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Finding the Fourth Proportional to 474,539.53, 654,864.62 and 259,679.64

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Solution

The fourth proportional to 474,539.53, 654,864.62 and 259,679.64 is: 358,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,539.53 : 654,864.62 = 259,679.64 : x
  2. Step 2: Convert to fraction form
    474,539.53/654,864.62 = 259,679.64/x
  3. Step 3: Cross multiply
    474,539.53x = 654,864.62 × 259,679.64
  4. Step 4: Simplify right side
    474,539.53x = 170,055,007,471.94
  5. Step 5: Solve for x
    x = 170,055,007,471.94/474,539.53
  6. Step 6: Final answer
    x = 358,357.94

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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.