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Finding the Fourth Proportional to 706,232.12, 974,606.48 and 383,942.43

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Solution

The fourth proportional to 706,232.12, 974,606.48 and 383,942.43 is: 529,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,232.12 : 974,606.48 = 383,942.43 : x
  2. Step 2: Convert to fraction form
    706,232.12/974,606.48 = 383,942.43/x
  3. Step 3: Cross multiply
    706,232.12x = 974,606.48 × 383,942.43
  4. Step 4: Simplify right side
    706,232.12x = 374,192,779,745.02
  5. Step 5: Solve for x
    x = 374,192,779,745.02/706,232.12
  6. Step 6: Final answer
    x = 529,843.90

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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.