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Finding the Fourth Proportional to 492,503.04, 738,458.64 and 192,625.92

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Solution

The fourth proportional to 492,503.04, 738,458.64 and 192,625.92 is: 288,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,503.04 : 738,458.64 = 192,625.92 : x
  2. Step 2: Convert to fraction form
    492,503.04/738,458.64 = 192,625.92/x
  3. Step 3: Cross multiply
    492,503.04x = 738,458.64 × 192,625.92
  4. Step 4: Simplify right side
    492,503.04x = 142,246,274,911.95
  5. Step 5: Solve for x
    x = 142,246,274,911.95/492,503.04
  6. Step 6: Final answer
    x = 288,823.14

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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.