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Finding the Fourth Proportional to 323,165.20, 484,320.10 and 247,998.10

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Solution

The fourth proportional to 323,165.20, 484,320.10 and 247,998.10 is: 371,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,165.20 : 484,320.10 = 247,998.10 : x
  2. Step 2: Convert to fraction form
    323,165.20/484,320.10 = 247,998.10/x
  3. Step 3: Cross multiply
    323,165.20x = 484,320.10 × 247,998.10
  4. Step 4: Simplify right side
    323,165.20x = 120,110,464,591.81
  5. Step 5: Solve for x
    x = 120,110,464,591.81/323,165.20
  6. Step 6: Final answer
    x = 371,668.93

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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.