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Finding the Fourth Proportional to 336,098.20, 504,147.30 and 302,855.80

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Solution

The fourth proportional to 336,098.20, 504,147.30 and 302,855.80 is: 454,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,098.20 : 504,147.30 = 302,855.80 : x
  2. Step 2: Convert to fraction form
    336,098.20/504,147.30 = 302,855.80/x
  3. Step 3: Cross multiply
    336,098.20x = 504,147.30 × 302,855.80
  4. Step 4: Simplify right side
    336,098.20x = 152,683,933,859.34
  5. Step 5: Solve for x
    x = 152,683,933,859.34/336,098.20
  6. Step 6: Final answer
    x = 454,283.70

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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.