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Finding the Fourth Proportional to 571,995, 858,230.46 and 251,983.08

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Solution

The fourth proportional to 571,995, 858,230.46 and 251,983.08 is: 378,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,995 : 858,230.46 = 251,983.08 : x
  2. Step 2: Convert to fraction form
    571,995/858,230.46 = 251,983.08/x
  3. Step 3: Cross multiply
    571,995x = 858,230.46 × 251,983.08
  4. Step 4: Simplify right side
    571,995x = 216,259,554,660.62
  5. Step 5: Solve for x
    x = 216,259,554,660.62/571,995
  6. Step 6: Final answer
    x = 378,079.45

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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.