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Finding the Fourth Proportional to 504,814.36, 756,821.82 and 251,964.76

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Solution

The fourth proportional to 504,814.36, 756,821.82 and 251,964.76 is: 377,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,814.36 : 756,821.82 = 251,964.76 : x
  2. Step 2: Convert to fraction form
    504,814.36/756,821.82 = 251,964.76/x
  3. Step 3: Cross multiply
    504,814.36x = 756,821.82 × 251,964.76
  4. Step 4: Simplify right side
    504,814.36x = 190,692,428,239.06
  5. Step 5: Solve for x
    x = 190,692,428,239.06/504,814.36
  6. Step 6: Final answer
    x = 377,747.63

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1.5x scale

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.