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Finding the Fourth Proportional to 228,479.54, 315,445.59 and 146,844.29

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Solution

The fourth proportional to 228,479.54, 315,445.59 and 146,844.29 is: 202,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,479.54 : 315,445.59 = 146,844.29 : x
  2. Step 2: Convert to fraction form
    228,479.54/315,445.59 = 146,844.29/x
  3. Step 3: Cross multiply
    228,479.54x = 315,445.59 × 146,844.29
  4. Step 4: Simplify right side
    228,479.54x = 46,321,384,485.80
  5. Step 5: Solve for x
    x = 46,321,384,485.80/228,479.54
  6. Step 6: Final answer
    x = 202,737.56

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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.