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Finding the Fourth Proportional to 370,975.44, 557,249.96 and 349,379.76

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Solution

The fourth proportional to 370,975.44, 557,249.96 and 349,379.76 is: 524,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,975.44 : 557,249.96 = 349,379.76 : x
  2. Step 2: Convert to fraction form
    370,975.44/557,249.96 = 349,379.76/x
  3. Step 3: Cross multiply
    370,975.44x = 557,249.96 × 349,379.76
  4. Step 4: Simplify right side
    370,975.44x = 194,691,857,284.81
  5. Step 5: Solve for x
    x = 194,691,857,284.81/370,975.44
  6. Step 6: Final answer
    x = 524,810.64

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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.