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Finding the Fourth Proportional to 492,081.67, 736,455.42 and 302,662.21

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Solution

The fourth proportional to 492,081.67, 736,455.42 and 302,662.21 is: 452,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,081.67 : 736,455.42 = 302,662.21 : x
  2. Step 2: Convert to fraction form
    492,081.67/736,455.42 = 302,662.21/x
  3. Step 3: Cross multiply
    492,081.67x = 736,455.42 × 302,662.21
  4. Step 4: Simplify right side
    492,081.67x = 222,897,224,983.68
  5. Step 5: Solve for x
    x = 222,897,224,983.68/492,081.67
  6. Step 6: Final answer
    x = 452,967.95

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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.