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Finding the Fourth Proportional to 574,219.59, 861,459.14 and 189,967.54

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Solution

The fourth proportional to 574,219.59, 861,459.14 and 189,967.54 is: 284,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,219.59 : 861,459.14 = 189,967.54 : x
  2. Step 2: Convert to fraction form
    574,219.59/861,459.14 = 189,967.54/x
  3. Step 3: Cross multiply
    574,219.59x = 861,459.14 × 189,967.54
  4. Step 4: Simplify right side
    574,219.59x = 163,649,273,636.32
  5. Step 5: Solve for x
    x = 163,649,273,636.32/574,219.59
  6. Step 6: Final answer
    x = 284,994.24

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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.