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Finding the Fourth Proportional to 317,082.74, 437,562.54 and 173,839.64

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Solution

The fourth proportional to 317,082.74, 437,562.54 and 173,839.64 is: 239,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,082.74 : 437,562.54 = 173,839.64 : x
  2. Step 2: Convert to fraction form
    317,082.74/437,562.54 = 173,839.64/x
  3. Step 3: Cross multiply
    317,082.74x = 437,562.54 × 173,839.64
  4. Step 4: Simplify right side
    317,082.74x = 76,065,714,431.09
  5. Step 5: Solve for x
    x = 76,065,714,431.09/317,082.74
  6. Step 6: Final answer
    x = 239,892.32

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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.