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Finding the Fourth Proportional to 317,226.84, 437,773.32 and 173,989.68

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Solution

The fourth proportional to 317,226.84, 437,773.32 and 173,989.68 is: 240,105.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,226.84 : 437,773.32 = 173,989.68 : x
  2. Step 2: Convert to fraction form
    317,226.84/437,773.32 = 173,989.68/x
  3. Step 3: Cross multiply
    317,226.84x = 437,773.32 × 173,989.68
  4. Step 4: Simplify right side
    317,226.84x = 76,168,039,859.34
  5. Step 5: Solve for x
    x = 76,168,039,859.34/317,226.84
  6. Step 6: Final answer
    x = 240,105.91

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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.