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Finding the Fourth Proportional to 794,605, 1,192,656.54 and 289,654.04

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Solution

The fourth proportional to 794,605, 1,192,656.54 and 289,654.04 is: 434,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,605 : 1,192,656.54 = 289,654.04 : x
  2. Step 2: Convert to fraction form
    794,605/1,192,656.54 = 289,654.04/x
  3. Step 3: Cross multiply
    794,605x = 1,192,656.54 × 289,654.04
  4. Step 4: Simplify right side
    794,605x = 345,457,785,143.42
  5. Step 5: Solve for x
    x = 345,457,785,143.42/794,605
  6. Step 6: Final answer
    x = 434,754.10

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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.