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Finding the Fourth Proportional to 412,941.92, 569,897.52 and 251,805.92

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Solution

The fourth proportional to 412,941.92, 569,897.52 and 251,805.92 is: 347,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,941.92 : 569,897.52 = 251,805.92 : x
  2. Step 2: Convert to fraction form
    412,941.92/569,897.52 = 251,805.92/x
  3. Step 3: Cross multiply
    412,941.92x = 569,897.52 × 251,805.92
  4. Step 4: Simplify right side
    412,941.92x = 143,503,569,329.32
  5. Step 5: Solve for x
    x = 143,503,569,329.32/412,941.92
  6. Step 6: Final answer
    x = 347,515.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.