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Finding the Fourth Proportional to 541,636.89, 747,449.72 and 299,914.26

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Solution

The fourth proportional to 541,636.89, 747,449.72 and 299,914.26 is: 413,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,636.89 : 747,449.72 = 299,914.26 : x
  2. Step 2: Convert to fraction form
    541,636.89/747,449.72 = 299,914.26/x
  3. Step 3: Cross multiply
    541,636.89x = 747,449.72 × 299,914.26
  4. Step 4: Simplify right side
    541,636.89x = 224,170,826,483.18
  5. Step 5: Solve for x
    x = 224,170,826,483.18/541,636.89
  6. Step 6: Final answer
    x = 413,876.59

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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.