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Finding the Fourth Proportional to 452,518.18, 678,777.17 and 115,546.91

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Solution

The fourth proportional to 452,518.18, 678,777.17 and 115,546.91 is: 173,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,518.18 : 678,777.17 = 115,546.91 : x
  2. Step 2: Convert to fraction form
    452,518.18/678,777.17 = 115,546.91/x
  3. Step 3: Cross multiply
    452,518.18x = 678,777.17 × 115,546.91
  4. Step 4: Simplify right side
    452,518.18x = 78,430,600,600.42
  5. Step 5: Solve for x
    x = 78,430,600,600.42/452,518.18
  6. Step 6: Final answer
    x = 173,320.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.