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Finding the Fourth Proportional to 317,047.50, 437,538.78 and 173,813.04

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Solution

The fourth proportional to 317,047.50, 437,538.78 and 173,813.04 is: 239,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,047.50 : 437,538.78 = 173,813.04 : x
  2. Step 2: Convert to fraction form
    317,047.50/437,538.78 = 173,813.04/x
  3. Step 3: Cross multiply
    317,047.50x = 437,538.78 × 173,813.04
  4. Step 4: Simplify right side
    317,047.50x = 76,049,945,469.69
  5. Step 5: Solve for x
    x = 76,049,945,469.69/317,047.50
  6. Step 6: Final answer
    x = 239,869.25

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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.