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Finding the Fourth Proportional to 317,240.75, 437,814.50 and 181,294.78

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Solution

The fourth proportional to 317,240.75, 437,814.50 and 181,294.78 is: 250,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,240.75 : 437,814.50 = 181,294.78 : x
  2. Step 2: Convert to fraction form
    317,240.75/437,814.50 = 181,294.78/x
  3. Step 3: Cross multiply
    317,240.75x = 437,814.50 × 181,294.78
  4. Step 4: Simplify right side
    317,240.75x = 79,373,485,294.18
  5. Step 5: Solve for x
    x = 79,373,485,294.18/317,240.75
  6. Step 6: Final answer
    x = 250,199.52

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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.