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Finding the Fourth Proportional to 575,090.40, 862,635.60 and 154,408.80

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Solution

The fourth proportional to 575,090.40, 862,635.60 and 154,408.80 is: 231,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,090.40 : 862,635.60 = 154,408.80 : x
  2. Step 2: Convert to fraction form
    575,090.40/862,635.60 = 154,408.80/x
  3. Step 3: Cross multiply
    575,090.40x = 862,635.60 × 154,408.80
  4. Step 4: Simplify right side
    575,090.40x = 133,198,527,833.28
  5. Step 5: Solve for x
    x = 133,198,527,833.28/575,090.40
  6. Step 6: Final answer
    x = 231,613.20

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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.