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Finding the Fourth Proportional to 574,060.60, 861,090.90 and 174,665.80

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Solution

The fourth proportional to 574,060.60, 861,090.90 and 174,665.80 is: 261,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,060.60 : 861,090.90 = 174,665.80 : x
  2. Step 2: Convert to fraction form
    574,060.60/861,090.90 = 174,665.80/x
  3. Step 3: Cross multiply
    574,060.60x = 861,090.90 × 174,665.80
  4. Step 4: Simplify right side
    574,060.60x = 150,403,130,921.22
  5. Step 5: Solve for x
    x = 150,403,130,921.22/574,060.60
  6. Step 6: Final answer
    x = 261,998.70

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Similar ratio
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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.