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Finding the Fourth Proportional to 629,952.10, 869,337.98 and 343,476.97

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Solution

The fourth proportional to 629,952.10, 869,337.98 and 343,476.97 is: 474,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,952.10 : 869,337.98 = 343,476.97 : x
  2. Step 2: Convert to fraction form
    629,952.10/869,337.98 = 343,476.97/x
  3. Step 3: Cross multiply
    629,952.10x = 869,337.98 × 343,476.97
  4. Step 4: Simplify right side
    629,952.10x = 298,597,575,276.32
  5. Step 5: Solve for x
    x = 298,597,575,276.32/629,952.10
  6. Step 6: Final answer
    x = 474,000.44

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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.