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Finding the Fourth Proportional to 353,002.56, 528,835.68 and 273,727.68

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Solution

The fourth proportional to 353,002.56, 528,835.68 and 273,727.68 is: 410,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,002.56 : 528,835.68 = 273,727.68 : x
  2. Step 2: Convert to fraction form
    353,002.56/528,835.68 = 273,727.68/x
  3. Step 3: Cross multiply
    353,002.56x = 528,835.68 × 273,727.68
  4. Step 4: Simplify right side
    353,002.56x = 144,756,963,787.62
  5. Step 5: Solve for x
    x = 144,756,963,787.62/353,002.56
  6. Step 6: Final answer
    x = 410,073.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.