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Finding the Fourth Proportional to 477,162.48, 658,485.60 and 273,216.63

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Solution

The fourth proportional to 477,162.48, 658,485.60 and 273,216.63 is: 377,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,162.48 : 658,485.60 = 273,216.63 : x
  2. Step 2: Convert to fraction form
    477,162.48/658,485.60 = 273,216.63/x
  3. Step 3: Cross multiply
    477,162.48x = 658,485.60 × 273,216.63
  4. Step 4: Simplify right side
    477,162.48x = 179,909,216,535.53
  5. Step 5: Solve for x
    x = 179,909,216,535.53/477,162.48
  6. Step 6: Final answer
    x = 377,039.74

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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.