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Finding the Fourth Proportional to 541,108.54, 746,730.66 and 299,401.30

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Solution

The fourth proportional to 541,108.54, 746,730.66 and 299,401.30 is: 413,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,108.54 : 746,730.66 = 299,401.30 : x
  2. Step 2: Convert to fraction form
    541,108.54/746,730.66 = 299,401.30/x
  3. Step 3: Cross multiply
    541,108.54x = 746,730.66 × 299,401.30
  4. Step 4: Simplify right side
    541,108.54x = 223,572,130,353.86
  5. Step 5: Solve for x
    x = 223,572,130,353.86/541,108.54
  6. Step 6: Final answer
    x = 413,174.28

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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.