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Finding the Fourth Proportional to 477,286.54, 658,657.91 and 262,440.45

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Solution

The fourth proportional to 477,286.54, 658,657.91 and 262,440.45 is: 362,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,286.54 : 658,657.91 = 262,440.45 : x
  2. Step 2: Convert to fraction form
    477,286.54/658,657.91 = 262,440.45/x
  3. Step 3: Cross multiply
    477,286.54x = 658,657.91 × 262,440.45
  4. Step 4: Simplify right side
    477,286.54x = 172,858,478,296.46
  5. Step 5: Solve for x
    x = 172,858,478,296.46/477,286.54
  6. Step 6: Final answer
    x = 362,169.19

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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.