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Finding the Fourth Proportional to 293,890.60, 440,900.70 and 94,220.20

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Solution

The fourth proportional to 293,890.60, 440,900.70 and 94,220.20 is: 141,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,890.60 : 440,900.70 = 94,220.20 : x
  2. Step 2: Convert to fraction form
    293,890.60/440,900.70 = 94,220.20/x
  3. Step 3: Cross multiply
    293,890.60x = 440,900.70 × 94,220.20
  4. Step 4: Simplify right side
    293,890.60x = 41,541,752,134.14
  5. Step 5: Solve for x
    x = 41,541,752,134.14/293,890.60
  6. Step 6: Final answer
    x = 141,351.07

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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.