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Finding the Fourth Proportional to 443,571.09, 612,127.49 and 252,584.48

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Solution

The fourth proportional to 443,571.09, 612,127.49 and 252,584.48 is: 348,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,571.09 : 612,127.49 = 252,584.48 : x
  2. Step 2: Convert to fraction form
    443,571.09/612,127.49 = 252,584.48/x
  3. Step 3: Cross multiply
    443,571.09x = 612,127.49 × 252,584.48
  4. Step 4: Simplify right side
    443,571.09x = 154,613,900,694.72
  5. Step 5: Solve for x
    x = 154,613,900,694.72/443,571.09
  6. Step 6: Final answer
    x = 348,566.23

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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.