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Finding the Fourth Proportional to 474,390.27, 654,703.63 and 259,562.61

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Solution

The fourth proportional to 474,390.27, 654,703.63 and 259,562.61 is: 358,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,390.27 : 654,703.63 = 259,562.61 : x
  2. Step 2: Convert to fraction form
    474,390.27/654,703.63 = 259,562.61/x
  3. Step 3: Cross multiply
    474,390.27x = 654,703.63 × 259,562.61
  4. Step 4: Simplify right side
    474,390.27x = 169,936,582,330.37
  5. Step 5: Solve for x
    x = 169,936,582,330.37/474,390.27
  6. Step 6: Final answer
    x = 358,221.05

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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.