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Finding the Fourth Proportional to 536,886.29, 740,903.56 and 295,172.98

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Solution

The fourth proportional to 536,886.29, 740,903.56 and 295,172.98 is: 407,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,886.29 : 740,903.56 = 295,172.98 : x
  2. Step 2: Convert to fraction form
    536,886.29/740,903.56 = 295,172.98/x
  3. Step 3: Cross multiply
    536,886.29x = 740,903.56 × 295,172.98
  4. Step 4: Simplify right side
    536,886.29x = 218,694,709,107.62
  5. Step 5: Solve for x
    x = 218,694,709,107.62/536,886.29
  6. Step 6: Final answer
    x = 407,338.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.