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Finding the Fourth Proportional to 317,224.84, 437,770.56 and 173,987.68

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Solution

The fourth proportional to 317,224.84, 437,770.56 and 173,987.68 is: 240,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,224.84 : 437,770.56 = 173,987.68 : x
  2. Step 2: Convert to fraction form
    317,224.84/437,770.56 = 173,987.68/x
  3. Step 3: Cross multiply
    317,224.84x = 437,770.56 × 173,987.68
  4. Step 4: Simplify right side
    317,224.84x = 76,166,684,106.70
  5. Step 5: Solve for x
    x = 76,166,684,106.70/317,224.84
  6. Step 6: Final answer
    x = 240,103.15

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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.