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Finding the Fourth Proportional to 541,122.40, 746,770.88 and 299,401.04

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Solution

The fourth proportional to 541,122.40, 746,770.88 and 299,401.04 is: 413,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,122.40 : 746,770.88 = 299,401.04 : x
  2. Step 2: Convert to fraction form
    541,122.40/746,770.88 = 299,401.04/x
  3. Step 3: Cross multiply
    541,122.40x = 746,770.88 × 299,401.04
  4. Step 4: Simplify right side
    541,122.40x = 223,583,978,113.72
  5. Step 5: Solve for x
    x = 223,583,978,113.72/541,122.40
  6. Step 6: Final answer
    x = 413,185.59

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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.