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Finding the Fourth Proportional to 336,073.20, 504,109.80 and 302,830.80

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Solution

The fourth proportional to 336,073.20, 504,109.80 and 302,830.80 is: 454,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,073.20 : 504,109.80 = 302,830.80 : x
  2. Step 2: Convert to fraction form
    336,073.20/504,109.80 = 302,830.80/x
  3. Step 3: Cross multiply
    336,073.20x = 504,109.80 × 302,830.80
  4. Step 4: Simplify right side
    336,073.20x = 152,659,974,021.84
  5. Step 5: Solve for x
    x = 152,659,974,021.84/336,073.20
  6. Step 6: Final answer
    x = 454,246.20

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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.