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Finding the Fourth Proportional to 769,499.95, 1,154,373.95 and 237,020.73

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Solution

The fourth proportional to 769,499.95, 1,154,373.95 and 237,020.73 is: 355,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,499.95 : 1,154,373.95 = 237,020.73 : x
  2. Step 2: Convert to fraction form
    769,499.95/1,154,373.95 = 237,020.73/x
  3. Step 3: Cross multiply
    769,499.95x = 1,154,373.95 × 237,020.73
  4. Step 4: Simplify right side
    769,499.95x = 273,610,556,321.98
  5. Step 5: Solve for x
    x = 273,610,556,321.98/769,499.95
  6. Step 6: Final answer
    x = 355,569.30

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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.