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Finding the Fourth Proportional to 474,740.15, 655,142.52 and 259,894.06

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Solution

The fourth proportional to 474,740.15, 655,142.52 and 259,894.06 is: 358,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,740.15 : 655,142.52 = 259,894.06 : x
  2. Step 2: Convert to fraction form
    474,740.15/655,142.52 = 259,894.06/x
  3. Step 3: Cross multiply
    474,740.15x = 655,142.52 × 259,894.06
  4. Step 4: Simplify right side
    474,740.15x = 170,267,649,401.43
  5. Step 5: Solve for x
    x = 170,267,649,401.43/474,740.15
  6. Step 6: Final answer
    x = 358,654.41

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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.