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Finding the Fourth Proportional to 541,230.12, 746,879.18 and 299,522.88

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Solution

The fourth proportional to 541,230.12, 746,879.18 and 299,522.88 is: 413,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,230.12 : 746,879.18 = 299,522.88 : x
  2. Step 2: Convert to fraction form
    541,230.12/746,879.18 = 299,522.88/x
  3. Step 3: Cross multiply
    541,230.12x = 746,879.18 × 299,522.88
  4. Step 4: Simplify right side
    541,230.12x = 223,707,401,508.02
  5. Step 5: Solve for x
    x = 223,707,401,508.02/541,230.12
  6. Step 6: Final answer
    x = 413,331.40

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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.