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Finding the Fourth Proportional to 619,193.22, 928,790.82 and 169,920.24

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Solution

The fourth proportional to 619,193.22, 928,790.82 and 169,920.24 is: 254,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,193.22 : 928,790.82 = 169,920.24 : x
  2. Step 2: Convert to fraction form
    619,193.22/928,790.82 = 169,920.24/x
  3. Step 3: Cross multiply
    619,193.22x = 928,790.82 × 169,920.24
  4. Step 4: Simplify right side
    619,193.22x = 157,820,359,044.20
  5. Step 5: Solve for x
    x = 157,820,359,044.20/619,193.22
  6. Step 6: Final answer
    x = 254,880.63

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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.