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Finding the Fourth Proportional to 318,441.92, 439,446.60 and 175,202.06

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Solution

The fourth proportional to 318,441.92, 439,446.60 and 175,202.06 is: 241,777.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,441.92 : 439,446.60 = 175,202.06 : x
  2. Step 2: Convert to fraction form
    318,441.92/439,446.60 = 175,202.06/x
  3. Step 3: Cross multiply
    318,441.92x = 439,446.60 × 175,202.06
  4. Step 4: Simplify right side
    318,441.92x = 76,991,949,580.00
  5. Step 5: Solve for x
    x = 76,991,949,580.00/318,441.92
  6. Step 6: Final answer
    x = 241,777.05

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1.5x scale

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.