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Finding the Fourth Proportional to 302,401.26, 453,470.82 and 91,990.62

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Solution

The fourth proportional to 302,401.26, 453,470.82 and 91,990.62 is: 137,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,401.26 : 453,470.82 = 91,990.62 : x
  2. Step 2: Convert to fraction form
    302,401.26/453,470.82 = 91,990.62/x
  3. Step 3: Cross multiply
    302,401.26x = 453,470.82 × 91,990.62
  4. Step 4: Simplify right side
    302,401.26x = 41,715,061,883.71
  5. Step 5: Solve for x
    x = 41,715,061,883.71/302,401.26
  6. Step 6: Final answer
    x = 137,946.06

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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.