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Finding the Fourth Proportional to 541,636.72, 747,449.52 and 299,914.09

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Solution

The fourth proportional to 541,636.72, 747,449.52 and 299,914.09 is: 413,876.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,636.72 : 747,449.52 = 299,914.09 : x
  2. Step 2: Convert to fraction form
    541,636.72/747,449.52 = 299,914.09/x
  3. Step 3: Cross multiply
    541,636.72x = 747,449.52 × 299,914.09
  4. Step 4: Simplify right side
    541,636.72x = 224,170,645,509.86
  5. Step 5: Solve for x
    x = 224,170,645,509.86/541,636.72
  6. Step 6: Final answer
    x = 413,876.38

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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.