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Finding the Fourth Proportional to 474,645.76, 655,007.52 and 259,781.44

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Solution

The fourth proportional to 474,645.76, 655,007.52 and 259,781.44 is: 358,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,645.76 : 655,007.52 = 259,781.44 : x
  2. Step 2: Convert to fraction form
    474,645.76/655,007.52 = 259,781.44/x
  3. Step 3: Cross multiply
    474,645.76x = 655,007.52 × 259,781.44
  4. Step 4: Simplify right side
    474,645.76x = 170,158,796,756.43
  5. Step 5: Solve for x
    x = 170,158,796,756.43/474,645.76
  6. Step 6: Final answer
    x = 358,496.40

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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.