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Finding the Fourth Proportional to 466,601.36, 644,015.22 and 285,464.30

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Solution

The fourth proportional to 466,601.36, 644,015.22 and 285,464.30 is: 394,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,601.36 : 644,015.22 = 285,464.30 : x
  2. Step 2: Convert to fraction form
    466,601.36/644,015.22 = 285,464.30/x
  3. Step 3: Cross multiply
    466,601.36x = 644,015.22 × 285,464.30
  4. Step 4: Simplify right side
    466,601.36x = 183,843,353,966.65
  5. Step 5: Solve for x
    x = 183,843,353,966.65/466,601.36
  6. Step 6: Final answer
    x = 394,005.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.