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Finding the Fourth Proportional to 477,279.54, 658,647.45 and 262,433.12

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Solution

The fourth proportional to 477,279.54, 658,647.45 and 262,433.12 is: 362,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,279.54 : 658,647.45 = 262,433.12 : x
  2. Step 2: Convert to fraction form
    477,279.54/658,647.45 = 262,433.12/x
  3. Step 3: Cross multiply
    477,279.54x = 658,647.45 × 262,433.12
  4. Step 4: Simplify right side
    477,279.54x = 172,850,901,990.31
  5. Step 5: Solve for x
    x = 172,850,901,990.31/477,279.54
  6. Step 6: Final answer
    x = 362,158.63

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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.