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Finding the Fourth Proportional to 301,553.58, 416,145.08 and 163,732.72

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Solution

The fourth proportional to 301,553.58, 416,145.08 and 163,732.72 is: 225,951.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,553.58 : 416,145.08 = 163,732.72 : x
  2. Step 2: Convert to fraction form
    301,553.58/416,145.08 = 163,732.72/x
  3. Step 3: Cross multiply
    301,553.58x = 416,145.08 × 163,732.72
  4. Step 4: Simplify right side
    301,553.58x = 68,136,565,863.02
  5. Step 5: Solve for x
    x = 68,136,565,863.02/301,553.58
  6. Step 6: Final answer
    x = 225,951.77

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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.