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Finding the Fourth Proportional to 354,071.87, 488,619.23 and 192,926.96

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Solution

The fourth proportional to 354,071.87, 488,619.23 and 192,926.96 is: 266,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,071.87 : 488,619.23 = 192,926.96 : x
  2. Step 2: Convert to fraction form
    354,071.87/488,619.23 = 192,926.96/x
  3. Step 3: Cross multiply
    354,071.87x = 488,619.23 × 192,926.96
  4. Step 4: Simplify right side
    354,071.87x = 94,267,819,233.71
  5. Step 5: Solve for x
    x = 94,267,819,233.71/354,071.87
  6. Step 6: Final answer
    x = 266,239.23

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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.