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Finding the Fourth Proportional to 477,076.48, 658,357.08 and 262,216.49

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Solution

The fourth proportional to 477,076.48, 658,357.08 and 262,216.49 is: 361,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,076.48 : 658,357.08 = 262,216.49 : x
  2. Step 2: Convert to fraction form
    477,076.48/658,357.08 = 262,216.49/x
  3. Step 3: Cross multiply
    477,076.48x = 658,357.08 × 262,216.49
  4. Step 4: Simplify right side
    477,076.48x = 172,632,079,392.46
  5. Step 5: Solve for x
    x = 172,632,079,392.46/477,076.48
  6. Step 6: Final answer
    x = 361,854.10

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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.