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Finding the Fourth Proportional to 246,300.44, 369,448.47 and 77,820.75

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Solution

The fourth proportional to 246,300.44, 369,448.47 and 77,820.75 is: 116,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,300.44 : 369,448.47 = 77,820.75 : x
  2. Step 2: Convert to fraction form
    246,300.44/369,448.47 = 77,820.75/x
  3. Step 3: Cross multiply
    246,300.44x = 369,448.47 × 77,820.75
  4. Step 4: Simplify right side
    246,300.44x = 28,750,757,021.75
  5. Step 5: Solve for x
    x = 28,750,757,021.75/246,300.44
  6. Step 6: Final answer
    x = 116,730.44

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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.