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Finding the Fourth Proportional to 293,888.20, 439,910.70 and 210,944.20

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Solution

The fourth proportional to 293,888.20, 439,910.70 and 210,944.20 is: 315,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,888.20 : 439,910.70 = 210,944.20 : x
  2. Step 2: Convert to fraction form
    293,888.20/439,910.70 = 210,944.20/x
  3. Step 3: Cross multiply
    293,888.20x = 439,910.70 × 210,944.20
  4. Step 4: Simplify right side
    293,888.20x = 92,796,610,682.94
  5. Step 5: Solve for x
    x = 92,796,610,682.94/293,888.20
  6. Step 6: Final answer
    x = 315,754.80

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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.