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Finding the Fourth Proportional to 574,570.05, 861,994.66 and 175,217.91

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Solution

The fourth proportional to 574,570.05, 861,994.66 and 175,217.91 is: 262,869.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,570.05 : 861,994.66 = 175,217.91 : x
  2. Step 2: Convert to fraction form
    574,570.05/861,994.66 = 175,217.91/x
  3. Step 3: Cross multiply
    574,570.05x = 861,994.66 × 175,217.91
  4. Step 4: Simplify right side
    574,570.05x = 151,036,902,756.36
  5. Step 5: Solve for x
    x = 151,036,902,756.36/574,570.05
  6. Step 6: Final answer
    x = 262,869.43

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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.