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Finding the Fourth Proportional to 504,701.06, 756,830.01 and 188,936.51

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Solution

The fourth proportional to 504,701.06, 756,830.01 and 188,936.51 is: 283,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,701.06 : 756,830.01 = 188,936.51 : x
  2. Step 2: Convert to fraction form
    504,701.06/756,830.01 = 188,936.51/x
  3. Step 3: Cross multiply
    504,701.06x = 756,830.01 × 188,936.51
  4. Step 4: Simplify right side
    504,701.06x = 142,992,820,752.67
  5. Step 5: Solve for x
    x = 142,992,820,752.67/504,701.06
  6. Step 6: Final answer
    x = 283,321.82

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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.