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Finding the Fourth Proportional to 474,682.60, 655,036.62 and 259,781.11

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Solution

The fourth proportional to 474,682.60, 655,036.62 and 259,781.11 is: 358,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,682.60 : 655,036.62 = 259,781.11 : x
  2. Step 2: Convert to fraction form
    474,682.60/655,036.62 = 259,781.11/x
  3. Step 3: Cross multiply
    474,682.60x = 655,036.62 × 259,781.11
  4. Step 4: Simplify right side
    474,682.60x = 170,166,140,234.25
  5. Step 5: Solve for x
    x = 170,166,140,234.25/474,682.60
  6. Step 6: Final answer
    x = 358,484.05

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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.