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Finding the Fourth Proportional to 379,032.80, 568,549.20 and 201,885.80

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Solution

The fourth proportional to 379,032.80, 568,549.20 and 201,885.80 is: 302,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,032.80 : 568,549.20 = 201,885.80 : x
  2. Step 2: Convert to fraction form
    379,032.80/568,549.20 = 201,885.80/x
  3. Step 3: Cross multiply
    379,032.80x = 568,549.20 × 201,885.80
  4. Step 4: Simplify right side
    379,032.80x = 114,782,010,081.36
  5. Step 5: Solve for x
    x = 114,782,010,081.36/379,032.80
  6. Step 6: Final answer
    x = 302,828.70

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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.