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Finding the Fourth Proportional to 541,363.50, 747,003.44 and 299,645.49

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Solution

The fourth proportional to 541,363.50, 747,003.44 and 299,645.49 is: 413,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,363.50 : 747,003.44 = 299,645.49 : x
  2. Step 2: Convert to fraction form
    541,363.50/747,003.44 = 299,645.49/x
  3. Step 3: Cross multiply
    541,363.50x = 747,003.44 × 299,645.49
  4. Step 4: Simplify right side
    541,363.50x = 223,836,215,360.86
  5. Step 5: Solve for x
    x = 223,836,215,360.86/541,363.50
  6. Step 6: Final answer
    x = 413,467.50

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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.