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Finding the Fourth Proportional to 959,495, 1,324,219.74 and 557,087

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Solution

The fourth proportional to 959,495, 1,324,219.74 and 557,087 is: 768,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,495 : 1,324,219.74 = 557,087 : x
  2. Step 2: Convert to fraction form
    959,495/1,324,219.74 = 557,087/x
  3. Step 3: Cross multiply
    959,495x = 1,324,219.74 × 557,087
  4. Step 4: Simplify right side
    959,495x = 737,705,602,297.38
  5. Step 5: Solve for x
    x = 737,705,602,297.38/959,495
  6. Step 6: Final answer
    x = 768,847.78

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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.