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Finding the Fourth Proportional to 363,392.66, 500,962.19 and 255,628.23

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Solution

The fourth proportional to 363,392.66, 500,962.19 and 255,628.23 is: 352,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,392.66 : 500,962.19 = 255,628.23 : x
  2. Step 2: Convert to fraction form
    363,392.66/500,962.19 = 255,628.23/x
  3. Step 3: Cross multiply
    363,392.66x = 500,962.19 × 255,628.23
  4. Step 4: Simplify right side
    363,392.66x = 128,060,076,648.48
  5. Step 5: Solve for x
    x = 128,060,076,648.48/363,392.66
  6. Step 6: Final answer
    x = 352,401.39

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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.