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Finding the Fourth Proportional to 574,406, 861,609.04 and 153,670.96

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Solution

The fourth proportional to 574,406, 861,609.04 and 153,670.96 is: 230,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,406 : 861,609.04 = 153,670.96 : x
  2. Step 2: Convert to fraction form
    574,406/861,609.04 = 153,670.96/x
  3. Step 3: Cross multiply
    574,406x = 861,609.04 × 153,670.96
  4. Step 4: Simplify right side
    574,406x = 132,404,288,321.48
  5. Step 5: Solve for x
    x = 132,404,288,321.48/574,406
  6. Step 6: Final answer
    x = 230,506.45

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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.