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Finding the Fourth Proportional to 436,390.80, 654,067.80 and 183,670.80

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Solution

The fourth proportional to 436,390.80, 654,067.80 and 183,670.80 is: 275,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,390.80 : 654,067.80 = 183,670.80 : x
  2. Step 2: Convert to fraction form
    436,390.80/654,067.80 = 183,670.80/x
  3. Step 3: Cross multiply
    436,390.80x = 654,067.80 × 183,670.80
  4. Step 4: Simplify right side
    436,390.80x = 120,133,156,080.24
  5. Step 5: Solve for x
    x = 120,133,156,080.24/436,390.80
  6. Step 6: Final answer
    x = 275,288.01

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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.