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Finding the Fourth Proportional to 379,143.47, 568,434.53 and 229,347.33

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Solution

The fourth proportional to 379,143.47, 568,434.53 and 229,347.33 is: 343,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,143.47 : 568,434.53 = 229,347.33 : x
  2. Step 2: Convert to fraction form
    379,143.47/568,434.53 = 229,347.33/x
  3. Step 3: Cross multiply
    379,143.47x = 568,434.53 × 229,347.33
  4. Step 4: Simplify right side
    379,143.47x = 130,368,940,588.57
  5. Step 5: Solve for x
    x = 130,368,940,588.57/379,143.47
  6. Step 6: Final answer
    x = 343,851.21

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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.