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Finding the Fourth Proportional to 477,362.89, 658,759.84 and 273,479.81

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Solution

The fourth proportional to 477,362.89, 658,759.84 and 273,479.81 is: 377,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,362.89 : 658,759.84 = 273,479.81 : x
  2. Step 2: Convert to fraction form
    477,362.89/658,759.84 = 273,479.81/x
  3. Step 3: Cross multiply
    477,362.89x = 658,759.84 × 273,479.81
  4. Step 4: Simplify right side
    477,362.89x = 180,157,514,511.43
  5. Step 5: Solve for x
    x = 180,157,514,511.43/477,362.89
  6. Step 6: Final answer
    x = 377,401.60

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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.