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Finding the Fourth Proportional to 322,120.52, 483,071.42 and 122,392.92

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Solution

The fourth proportional to 322,120.52, 483,071.42 and 122,392.92 is: 183,547.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,120.52 : 483,071.42 = 122,392.92 : x
  2. Step 2: Convert to fraction form
    322,120.52/483,071.42 = 122,392.92/x
  3. Step 3: Cross multiply
    322,120.52x = 483,071.42 × 122,392.92
  4. Step 4: Simplify right side
    322,120.52x = 59,124,521,662.35
  5. Step 5: Solve for x
    x = 59,124,521,662.35/322,120.52
  6. Step 6: Final answer
    x = 183,547.83

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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.