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Finding the Fourth Proportional to 652,677.51, 979,014.92 and 368,238.94

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Solution

The fourth proportional to 652,677.51, 979,014.92 and 368,238.94 is: 552,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,677.51 : 979,014.92 = 368,238.94 : x
  2. Step 2: Convert to fraction form
    652,677.51/979,014.92 = 368,238.94/x
  3. Step 3: Cross multiply
    652,677.51x = 979,014.92 × 368,238.94
  4. Step 4: Simplify right side
    652,677.51x = 360,511,412,786.70
  5. Step 5: Solve for x
    x = 360,511,412,786.70/652,677.51
  6. Step 6: Final answer
    x = 552,357.65

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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.