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Finding the Fourth Proportional to 706,176.92, 974,530.49 and 383,887.64

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Solution

The fourth proportional to 706,176.92, 974,530.49 and 383,887.64 is: 529,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,176.92 : 974,530.49 = 383,887.64 : x
  2. Step 2: Convert to fraction form
    706,176.92/974,530.49 = 383,887.64/x
  3. Step 3: Cross multiply
    706,176.92x = 974,530.49 × 383,887.64
  4. Step 4: Simplify right side
    706,176.92x = 374,110,203,122.05
  5. Step 5: Solve for x
    x = 374,110,203,122.05/706,176.92
  6. Step 6: Final answer
    x = 529,768.38

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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.