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Finding the Fourth Proportional to 574,422.60, 861,636.06 and 200,445.60

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Solution

The fourth proportional to 574,422.60, 861,636.06 and 200,445.60 is: 300,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,422.60 : 861,636.06 = 200,445.60 : x
  2. Step 2: Convert to fraction form
    574,422.60/861,636.06 = 200,445.60/x
  3. Step 3: Cross multiply
    574,422.60x = 861,636.06 × 200,445.60
  4. Step 4: Simplify right side
    574,422.60x = 172,711,157,028.34
  5. Step 5: Solve for x
    x = 172,711,157,028.34/574,422.60
  6. Step 6: Final answer
    x = 300,669.15

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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.