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Finding the Fourth Proportional to 336,006.80, 504,010.20 and 302,829.20

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Solution

The fourth proportional to 336,006.80, 504,010.20 and 302,829.20 is: 454,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,006.80 : 504,010.20 = 302,829.20 : x
  2. Step 2: Convert to fraction form
    336,006.80/504,010.20 = 302,829.20/x
  3. Step 3: Cross multiply
    336,006.80x = 504,010.20 × 302,829.20
  4. Step 4: Simplify right side
    336,006.80x = 152,629,005,657.84
  5. Step 5: Solve for x
    x = 152,629,005,657.84/336,006.80
  6. Step 6: Final answer
    x = 454,243.80

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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.