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Finding the Fourth Proportional to 322,150.40, 483,371.40 and 153,605.60

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Solution

The fourth proportional to 322,150.40, 483,371.40 and 153,605.60 is: 230,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,150.40 : 483,371.40 = 153,605.60 : x
  2. Step 2: Convert to fraction form
    322,150.40/483,371.40 = 153,605.60/x
  3. Step 3: Cross multiply
    322,150.40x = 483,371.40 × 153,605.60
  4. Step 4: Simplify right side
    322,150.40x = 74,248,553,919.84
  5. Step 5: Solve for x
    x = 74,248,553,919.84/322,150.40
  6. Step 6: Final answer
    x = 230,477.92

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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.