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Finding the Fourth Proportional to 372,601.62, 557,185.64 and 276,719.90

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Solution

The fourth proportional to 372,601.62, 557,185.64 and 276,719.90 is: 413,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,601.62 : 557,185.64 = 276,719.90 : x
  2. Step 2: Convert to fraction form
    372,601.62/557,185.64 = 276,719.90/x
  3. Step 3: Cross multiply
    372,601.62x = 557,185.64 × 276,719.90
  4. Step 4: Simplify right side
    372,601.62x = 154,184,350,412.71
  5. Step 5: Solve for x
    x = 154,184,350,412.71/372,601.62
  6. Step 6: Final answer
    x = 413,804.83

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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.