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Finding the Fourth Proportional to 477,529.28, 658,957.92 and 276,355.52

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Solution

The fourth proportional to 477,529.28, 658,957.92 and 276,355.52 is: 381,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,529.28 : 658,957.92 = 276,355.52 : x
  2. Step 2: Convert to fraction form
    477,529.28/658,957.92 = 276,355.52/x
  3. Step 3: Cross multiply
    477,529.28x = 658,957.92 × 276,355.52
  4. Step 4: Simplify right side
    477,529.28x = 182,106,658,639.72
  5. Step 5: Solve for x
    x = 182,106,658,639.72/477,529.28
  6. Step 6: Final answer
    x = 381,351.82

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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.