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Finding the Fourth Proportional to 424,207.50, 585,410.16 and 230,615.61

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Solution

The fourth proportional to 424,207.50, 585,410.16 and 230,615.61 is: 318,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,207.50 : 585,410.16 = 230,615.61 : x
  2. Step 2: Convert to fraction form
    424,207.50/585,410.16 = 230,615.61/x
  3. Step 3: Cross multiply
    424,207.50x = 585,410.16 × 230,615.61
  4. Step 4: Simplify right side
    424,207.50x = 135,004,721,148.60
  5. Step 5: Solve for x
    x = 135,004,721,148.60/424,207.50
  6. Step 6: Final answer
    x = 318,251.61

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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.