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Finding the Fourth Proportional to 322,235.40, 482,616.86 and 153,873.66

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Solution

The fourth proportional to 322,235.40, 482,616.86 and 153,873.66 is: 230,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,235.40 : 482,616.86 = 153,873.66 : x
  2. Step 2: Convert to fraction form
    322,235.40/482,616.86 = 153,873.66/x
  3. Step 3: Cross multiply
    322,235.40x = 482,616.86 × 153,873.66
  4. Step 4: Simplify right side
    322,235.40x = 74,262,021,856.54
  5. Step 5: Solve for x
    x = 74,262,021,856.54/322,235.40
  6. Step 6: Final answer
    x = 230,458.92

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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.