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Finding the Fourth Proportional to 455,050.95, 627,845.01 and 273,737.71

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Solution

The fourth proportional to 455,050.95, 627,845.01 and 273,737.71 is: 377,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,050.95 : 627,845.01 = 273,737.71 : x
  2. Step 2: Convert to fraction form
    455,050.95/627,845.01 = 273,737.71/x
  3. Step 3: Cross multiply
    455,050.95x = 627,845.01 × 273,737.71
  4. Step 4: Simplify right side
    455,050.95x = 171,864,855,272.33
  5. Step 5: Solve for x
    x = 171,864,855,272.33/455,050.95
  6. Step 6: Final answer
    x = 377,682.67

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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.