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Finding the Fourth Proportional to 454,584.69, 627,400.80 and 273,479.67

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Solution

The fourth proportional to 454,584.69, 627,400.80 and 273,479.67 is: 377,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,584.69 : 627,400.80 = 273,479.67 : x
  2. Step 2: Convert to fraction form
    454,584.69/627,400.80 = 273,479.67/x
  3. Step 3: Cross multiply
    454,584.69x = 627,400.80 × 273,479.67
  4. Step 4: Simplify right side
    454,584.69x = 171,581,363,741.74
  5. Step 5: Solve for x
    x = 171,581,363,741.74/454,584.69
  6. Step 6: Final answer
    x = 377,446.42

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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.