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Finding the Fourth Proportional to 477,007.74, 658,268.52 and 273,057.54

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Solution

The fourth proportional to 477,007.74, 658,268.52 and 273,057.54 is: 376,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,007.74 : 658,268.52 = 273,057.54 : x
  2. Step 2: Convert to fraction form
    477,007.74/658,268.52 = 273,057.54/x
  3. Step 3: Cross multiply
    477,007.74x = 658,268.52 × 273,057.54
  4. Step 4: Simplify right side
    477,007.74x = 179,745,182,730.64
  5. Step 5: Solve for x
    x = 179,745,182,730.64/477,007.74
  6. Step 6: Final answer
    x = 376,818.17

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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.