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Finding the Fourth Proportional to 443,851.16, 612,502.31 and 250,257.18

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Solution

The fourth proportional to 443,851.16, 612,502.31 and 250,257.18 is: 345,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,851.16 : 612,502.31 = 250,257.18 : x
  2. Step 2: Convert to fraction form
    443,851.16/612,502.31 = 250,257.18/x
  3. Step 3: Cross multiply
    443,851.16x = 612,502.31 × 250,257.18
  4. Step 4: Simplify right side
    443,851.16x = 153,283,099,592.80
  5. Step 5: Solve for x
    x = 153,283,099,592.80/443,851.16
  6. Step 6: Final answer
    x = 345,347.98

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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.