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Finding the Fourth Proportional to 231,047.60, 346,571.40 and 73,288.40

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Solution

The fourth proportional to 231,047.60, 346,571.40 and 73,288.40 is: 109,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,047.60 : 346,571.40 = 73,288.40 : x
  2. Step 2: Convert to fraction form
    231,047.60/346,571.40 = 73,288.40/x
  3. Step 3: Cross multiply
    231,047.60x = 346,571.40 × 73,288.40
  4. Step 4: Simplify right side
    231,047.60x = 25,399,663,391.76
  5. Step 5: Solve for x
    x = 25,399,663,391.76/231,047.60
  6. Step 6: Final answer
    x = 109,932.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.