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Finding the Fourth Proportional to 624,354.21, 861,610.98 and 337,874.22

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Solution

The fourth proportional to 624,354.21, 861,610.98 and 337,874.22 is: 466,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,354.21 : 861,610.98 = 337,874.22 : x
  2. Step 2: Convert to fraction form
    624,354.21/861,610.98 = 337,874.22/x
  3. Step 3: Cross multiply
    624,354.21x = 861,610.98 × 337,874.22
  4. Step 4: Simplify right side
    624,354.21x = 291,116,137,810.94
  5. Step 5: Solve for x
    x = 291,116,137,810.94/624,354.21
  6. Step 6: Final answer
    x = 466,267.60

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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.