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Finding the Fourth Proportional to 477,000.54, 658,272.15 and 262,161

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Solution

The fourth proportional to 477,000.54, 658,272.15 and 262,161 is: 361,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,000.54 : 658,272.15 = 262,161 : x
  2. Step 2: Convert to fraction form
    477,000.54/658,272.15 = 262,161/x
  3. Step 3: Cross multiply
    477,000.54x = 658,272.15 × 262,161
  4. Step 4: Simplify right side
    477,000.54x = 172,573,285,116.15
  5. Step 5: Solve for x
    x = 172,573,285,116.15/477,000.54
  6. Step 6: Final answer
    x = 361,788.45

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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.