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Finding the Fourth Proportional to 541,211.49, 746,860.68 and 299,493.90

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Solution

The fourth proportional to 541,211.49, 746,860.68 and 299,493.90 is: 413,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,211.49 : 746,860.68 = 299,493.90 : x
  2. Step 2: Convert to fraction form
    541,211.49/746,860.68 = 299,493.90/x
  3. Step 3: Cross multiply
    541,211.49x = 746,860.68 × 299,493.90
  4. Step 4: Simplify right side
    541,211.49x = 223,680,217,809.85
  5. Step 5: Solve for x
    x = 223,680,217,809.85/541,211.49
  6. Step 6: Final answer
    x = 413,295.40

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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.