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Finding the Fourth Proportional to 424,201.44, 585,401.78 and 230,609.55

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Solution

The fourth proportional to 424,201.44, 585,401.78 and 230,609.55 is: 318,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,201.44 : 585,401.78 = 230,609.55 : x
  2. Step 2: Convert to fraction form
    424,201.44/585,401.78 = 230,609.55/x
  3. Step 3: Cross multiply
    424,201.44x = 585,401.78 × 230,609.55
  4. Step 4: Simplify right side
    424,201.44x = 134,999,241,055.00
  5. Step 5: Solve for x
    x = 134,999,241,055.00/424,201.44
  6. Step 6: Final answer
    x = 318,243.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.