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Finding the Fourth Proportional to 629,066.88, 863,229.60 and 572,042.88

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Solution

The fourth proportional to 629,066.88, 863,229.60 and 572,042.88 is: 784,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,066.88 : 863,229.60 = 572,042.88 : x
  2. Step 2: Convert to fraction form
    629,066.88/863,229.60 = 572,042.88/x
  3. Step 3: Cross multiply
    629,066.88x = 863,229.60 × 572,042.88
  4. Step 4: Simplify right side
    629,066.88x = 493,804,346,485.25
  5. Step 5: Solve for x
    x = 493,804,346,485.25/629,066.88
  6. Step 6: Final answer
    x = 784,979.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.