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Finding the Fourth Proportional to 534,724, 737,919.12 and 319,873.12

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Solution

The fourth proportional to 534,724, 737,919.12 and 319,873.12 is: 441,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,724 : 737,919.12 = 319,873.12 : x
  2. Step 2: Convert to fraction form
    534,724/737,919.12 = 319,873.12/x
  3. Step 3: Cross multiply
    534,724x = 737,919.12 × 319,873.12
  4. Step 4: Simplify right side
    534,724x = 236,040,491,222.05
  5. Step 5: Solve for x
    x = 236,040,491,222.05/534,724
  6. Step 6: Final answer
    x = 441,424.91

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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.