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Finding the Fourth Proportional to 477,285.54, 658,656.53 and 262,439.45

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Solution

The fourth proportional to 477,285.54, 658,656.53 and 262,439.45 is: 362,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,285.54 : 658,656.53 = 262,439.45 : x
  2. Step 2: Convert to fraction form
    477,285.54/658,656.53 = 262,439.45/x
  3. Step 3: Cross multiply
    477,285.54x = 658,656.53 × 262,439.45
  4. Step 4: Simplify right side
    477,285.54x = 172,857,457,472.11
  5. Step 5: Solve for x
    x = 172,857,457,472.11/477,285.54
  6. Step 6: Final answer
    x = 362,167.81

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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.