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Finding the Fourth Proportional to 609,218.25, 914,014.21 and 272,542.29

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Solution

The fourth proportional to 609,218.25, 914,014.21 and 272,542.29 is: 408,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,218.25 : 914,014.21 = 272,542.29 : x
  2. Step 2: Convert to fraction form
    609,218.25/914,014.21 = 272,542.29/x
  3. Step 3: Cross multiply
    609,218.25x = 914,014.21 × 272,542.29
  4. Step 4: Simplify right side
    609,218.25x = 249,107,525,885.94
  5. Step 5: Solve for x
    x = 249,107,525,885.94/609,218.25
  6. Step 6: Final answer
    x = 408,897.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.