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Finding the Fourth Proportional to 574,394.09, 861,684.64 and 169,627.23

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Solution

The fourth proportional to 574,394.09, 861,684.64 and 169,627.23 is: 254,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,394.09 : 861,684.64 = 169,627.23 : x
  2. Step 2: Convert to fraction form
    574,394.09/861,684.64 = 169,627.23/x
  3. Step 3: Cross multiply
    574,394.09x = 861,684.64 × 169,627.23
  4. Step 4: Simplify right side
    574,394.09x = 146,165,178,616.75
  5. Step 5: Solve for x
    x = 146,165,178,616.75/574,394.09
  6. Step 6: Final answer
    x = 254,468.46

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1.5x scale

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.