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Finding the Fourth Proportional to 706,231.64, 974,618.52 and 383,963.42

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Solution

The fourth proportional to 706,231.64, 974,618.52 and 383,963.42 is: 529,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,231.64 : 974,618.52 = 383,963.42 : x
  2. Step 2: Convert to fraction form
    706,231.64/974,618.52 = 383,963.42/x
  3. Step 3: Cross multiply
    706,231.64x = 974,618.52 × 383,963.42
  4. Step 4: Simplify right side
    706,231.64x = 374,217,860,134.54
  5. Step 5: Solve for x
    x = 374,217,860,134.54/706,231.64
  6. Step 6: Final answer
    x = 529,879.77

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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.