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Finding the Fourth Proportional to 492,799.68, 738,881.70 and 193,310.52

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Solution

The fourth proportional to 492,799.68, 738,881.70 and 193,310.52 is: 289,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,799.68 : 738,881.70 = 193,310.52 : x
  2. Step 2: Convert to fraction form
    492,799.68/738,881.70 = 193,310.52/x
  3. Step 3: Cross multiply
    492,799.68x = 738,881.70 × 193,310.52
  4. Step 4: Simplify right side
    492,799.68x = 142,833,605,645.48
  5. Step 5: Solve for x
    x = 142,833,605,645.48/492,799.68
  6. Step 6: Final answer
    x = 289,841.11

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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.