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Finding the Fourth Proportional to 474,581.07, 654,920.37 and 259,722.90

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Solution

The fourth proportional to 474,581.07, 654,920.37 and 259,722.90 is: 358,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,581.07 : 654,920.37 = 259,722.90 : x
  2. Step 2: Convert to fraction form
    474,581.07/654,920.37 = 259,722.90/x
  3. Step 3: Cross multiply
    474,581.07x = 654,920.37 × 259,722.90
  4. Step 4: Simplify right side
    474,581.07x = 170,097,817,765.47
  5. Step 5: Solve for x
    x = 170,097,817,765.47/474,581.07
  6. Step 6: Final answer
    x = 358,416.78

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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.