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Finding the Fourth Proportional to 255,415.07, 352,104.62 and 178,696.48

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Solution

The fourth proportional to 255,415.07, 352,104.62 and 178,696.48 is: 246,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,415.07 : 352,104.62 = 178,696.48 : x
  2. Step 2: Convert to fraction form
    255,415.07/352,104.62 = 178,696.48/x
  3. Step 3: Cross multiply
    255,415.07x = 352,104.62 × 178,696.48
  4. Step 4: Simplify right side
    255,415.07x = 62,919,856,077.36
  5. Step 5: Solve for x
    x = 62,919,856,077.36/255,415.07
  6. Step 6: Final answer
    x = 246,343.55

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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.