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Finding the Fourth Proportional to 541,245.90, 746,900.91 and 299,538.66

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Solution

The fourth proportional to 541,245.90, 746,900.91 and 299,538.66 is: 413,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,245.90 : 746,900.91 = 299,538.66 : x
  2. Step 2: Convert to fraction form
    541,245.90/746,900.91 = 299,538.66/x
  3. Step 3: Cross multiply
    541,245.90x = 746,900.91 × 299,538.66
  4. Step 4: Simplify right side
    541,245.90x = 223,725,697,734.18
  5. Step 5: Solve for x
    x = 223,725,697,734.18/541,245.90
  6. Step 6: Final answer
    x = 413,353.15

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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.