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Finding the Fourth Proportional to 629,662.16, 868,934.44 and 343,182.48

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Solution

The fourth proportional to 629,662.16, 868,934.44 and 343,182.48 is: 473,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,662.16 : 868,934.44 = 343,182.48 : x
  2. Step 2: Convert to fraction form
    629,662.16/868,934.44 = 343,182.48/x
  3. Step 3: Cross multiply
    629,662.16x = 868,934.44 × 343,182.48
  4. Step 4: Simplify right side
    629,662.16x = 298,203,076,076.61
  5. Step 5: Solve for x
    x = 298,203,076,076.61/629,662.16
  6. Step 6: Final answer
    x = 473,592.18

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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.