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Finding the Fourth Proportional to 322,246.71, 483,533.69 and 144,717.39

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Solution

The fourth proportional to 322,246.71, 483,533.69 and 144,717.39 is: 217,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,246.71 : 483,533.69 = 144,717.39 : x
  2. Step 2: Convert to fraction form
    322,246.71/483,533.69 = 144,717.39/x
  3. Step 3: Cross multiply
    322,246.71x = 483,533.69 × 144,717.39
  4. Step 4: Simplify right side
    322,246.71x = 69,975,732,870.28
  5. Step 5: Solve for x
    x = 69,975,732,870.28/322,246.71
  6. Step 6: Final answer
    x = 217,149.56

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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.