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Finding the Fourth Proportional to 323,788.58, 485,752 and 113,439.14

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Solution

The fourth proportional to 323,788.58, 485,752 and 113,439.14 is: 170,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,788.58 : 485,752 = 113,439.14 : x
  2. Step 2: Convert to fraction form
    323,788.58/485,752 = 113,439.14/x
  3. Step 3: Cross multiply
    323,788.58x = 485,752 × 113,439.14
  4. Step 4: Simplify right side
    323,788.58x = 55,103,289,133.28
  5. Step 5: Solve for x
    x = 55,103,289,133.28/323,788.58
  6. Step 6: Final answer
    x = 170,182.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.