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Finding the Fourth Proportional to 301,574.75, 416,174.28 and 163,753.85

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Solution

The fourth proportional to 301,574.75, 416,174.28 and 163,753.85 is: 225,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,574.75 : 416,174.28 = 163,753.85 : x
  2. Step 2: Convert to fraction form
    301,574.75/416,174.28 = 163,753.85/x
  3. Step 3: Cross multiply
    301,574.75x = 416,174.28 × 163,753.85
  4. Step 4: Simplify right side
    301,574.75x = 68,150,142,665.65
  5. Step 5: Solve for x
    x = 68,150,142,665.65/301,574.75
  6. Step 6: Final answer
    x = 225,980.93

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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.