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Finding the Fourth Proportional to 383,565.96, 529,228.98 and 247,571.10

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Solution

The fourth proportional to 383,565.96, 529,228.98 and 247,571.10 is: 341,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,565.96 : 529,228.98 = 247,571.10 : x
  2. Step 2: Convert to fraction form
    383,565.96/529,228.98 = 247,571.10/x
  3. Step 3: Cross multiply
    383,565.96x = 529,228.98 × 247,571.10
  4. Step 4: Simplify right side
    383,565.96x = 131,021,800,730.48
  5. Step 5: Solve for x
    x = 131,021,800,730.48/383,565.96
  6. Step 6: Final answer
    x = 341,588.71

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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.