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Finding the Fourth Proportional to 363,393.66, 500,963.56 and 255,629.23

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Solution

The fourth proportional to 363,393.66, 500,963.56 and 255,629.23 is: 352,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,393.66 : 500,963.56 = 255,629.23 : x
  2. Step 2: Convert to fraction form
    363,393.66/500,963.56 = 255,629.23/x
  3. Step 3: Cross multiply
    363,393.66x = 500,963.56 × 255,629.23
  4. Step 4: Simplify right side
    363,393.66x = 128,060,929,100.86
  5. Step 5: Solve for x
    x = 128,060,929,100.86/363,393.66
  6. Step 6: Final answer
    x = 352,402.76

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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.