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Finding the Fourth Proportional to 676,701, 1,015,051.50 and 203,386.82

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Solution

The fourth proportional to 676,701, 1,015,051.50 and 203,386.82 is: 305,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,701 : 1,015,051.50 = 203,386.82 : x
  2. Step 2: Convert to fraction form
    676,701/1,015,051.50 = 203,386.82/x
  3. Step 3: Cross multiply
    676,701x = 1,015,051.50 × 203,386.82
  4. Step 4: Simplify right side
    676,701x = 206,448,091,645.97
  5. Step 5: Solve for x
    x = 206,448,091,645.97/676,701
  6. Step 6: Final answer
    x = 305,080.22

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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.