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Finding the Fourth Proportional to 392,044.98, 541,014.90 and 219,966.12

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Solution

The fourth proportional to 392,044.98, 541,014.90 and 219,966.12 is: 303,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,044.98 : 541,014.90 = 219,966.12 : x
  2. Step 2: Convert to fraction form
    392,044.98/541,014.90 = 219,966.12/x
  3. Step 3: Cross multiply
    392,044.98x = 541,014.90 × 219,966.12
  4. Step 4: Simplify right side
    392,044.98x = 119,004,948,415.19
  5. Step 5: Solve for x
    x = 119,004,948,415.19/392,044.98
  6. Step 6: Final answer
    x = 303,549.22

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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.