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Finding the Fourth Proportional to 574,199.98, 861,116.29 and 189,877.43

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Solution

The fourth proportional to 574,199.98, 861,116.29 and 189,877.43 is: 284,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,199.98 : 861,116.29 = 189,877.43 : x
  2. Step 2: Convert to fraction form
    574,199.98/861,116.29 = 189,877.43/x
  3. Step 3: Cross multiply
    574,199.98x = 861,116.29 × 189,877.43
  4. Step 4: Simplify right side
    574,199.98x = 163,506,549,754.43
  5. Step 5: Solve for x
    x = 163,506,549,754.43/574,199.98
  6. Step 6: Final answer
    x = 284,755.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.