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Finding the Fourth Proportional to 541,115.88, 746,735.12 and 323,312.72

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Solution

The fourth proportional to 541,115.88, 746,735.12 and 323,312.72 is: 446,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,115.88 : 746,735.12 = 323,312.72 : x
  2. Step 2: Convert to fraction form
    541,115.88/746,735.12 = 323,312.72/x
  3. Step 3: Cross multiply
    541,115.88x = 746,735.12 × 323,312.72
  4. Step 4: Simplify right side
    541,115.88x = 241,428,957,416.49
  5. Step 5: Solve for x
    x = 241,428,957,416.49/541,115.88
  6. Step 6: Final answer
    x = 446,168.68

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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.