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Finding the Fourth Proportional to 541,578.40, 747,401.55 and 299,860.96

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Solution

The fourth proportional to 541,578.40, 747,401.55 and 299,860.96 is: 413,821.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,578.40 : 747,401.55 = 299,860.96 : x
  2. Step 2: Convert to fraction form
    541,578.40/747,401.55 = 299,860.96/x
  3. Step 3: Cross multiply
    541,578.40x = 747,401.55 × 299,860.96
  4. Step 4: Simplify right side
    541,578.40x = 224,116,546,288.49
  5. Step 5: Solve for x
    x = 224,116,546,288.49/541,578.40
  6. Step 6: Final answer
    x = 413,821.06

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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.