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Finding the Fourth Proportional to 474,677.46, 655,052.76 and 259,816.86

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Solution

The fourth proportional to 474,677.46, 655,052.76 and 259,816.86 is: 358,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,677.46 : 655,052.76 = 259,816.86 : x
  2. Step 2: Convert to fraction form
    474,677.46/655,052.76 = 259,816.86/x
  3. Step 3: Cross multiply
    474,677.46x = 655,052.76 × 259,816.86
  4. Step 4: Simplify right side
    474,677.46x = 170,193,751,237.53
  5. Step 5: Solve for x
    x = 170,193,751,237.53/474,677.46
  6. Step 6: Final answer
    x = 358,546.10

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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.