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Finding the Fourth Proportional to 474,682.34, 655,062.61 and 259,836.12

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Solution

The fourth proportional to 474,682.34, 655,062.61 and 259,836.12 is: 358,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,682.34 : 655,062.61 = 259,836.12 : x
  2. Step 2: Convert to fraction form
    474,682.34/655,062.61 = 259,836.12/x
  3. Step 3: Cross multiply
    474,682.34x = 655,062.61 × 259,836.12
  4. Step 4: Simplify right side
    474,682.34x = 170,208,926,939.47
  5. Step 5: Solve for x
    x = 170,208,926,939.47/474,682.34
  6. Step 6: Final answer
    x = 358,574.38

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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.