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Finding the Fourth Proportional to 477,061.67, 658,349.22 and 262,206.74

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Solution

The fourth proportional to 477,061.67, 658,349.22 and 262,206.74 is: 361,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,061.67 : 658,349.22 = 262,206.74 : x
  2. Step 2: Convert to fraction form
    477,061.67/658,349.22 = 262,206.74/x
  3. Step 3: Cross multiply
    477,061.67x = 658,349.22 × 262,206.74
  4. Step 4: Simplify right side
    477,061.67x = 172,623,599,466.00
  5. Step 5: Solve for x
    x = 172,623,599,466.00/477,061.67
  6. Step 6: Final answer
    x = 361,847.56

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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.