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Finding the Fourth Proportional to 477,517.70, 658,960.67 and 262,657.76

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Solution

The fourth proportional to 477,517.70, 658,960.67 and 262,657.76 is: 362,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,517.70 : 658,960.67 = 262,657.76 : x
  2. Step 2: Convert to fraction form
    477,517.70/658,960.67 = 262,657.76/x
  3. Step 3: Cross multiply
    477,517.70x = 658,960.67 × 262,657.76
  4. Step 4: Simplify right side
    477,517.70x = 173,081,130,872.14
  5. Step 5: Solve for x
    x = 173,081,130,872.14/477,517.70
  6. Step 6: Final answer
    x = 362,460.13

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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.