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Finding the Fourth Proportional to 255,311.46, 352,211.60 and 164,696.66

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Solution

The fourth proportional to 255,311.46, 352,211.60 and 164,696.66 is: 227,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,311.46 : 352,211.60 = 164,696.66 : x
  2. Step 2: Convert to fraction form
    255,311.46/352,211.60 = 164,696.66/x
  3. Step 3: Cross multiply
    255,311.46x = 352,211.60 × 164,696.66
  4. Step 4: Simplify right side
    255,311.46x = 58,008,074,133.26
  5. Step 5: Solve for x
    x = 58,008,074,133.26/255,311.46
  6. Step 6: Final answer
    x = 227,205.13

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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.