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Finding the Fourth Proportional to 1,865,219.82, 2,574,097.83 and 1,101,256.98

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Solution

The fourth proportional to 1,865,219.82, 2,574,097.83 and 1,101,256.98 is: 1,519,790.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,219.82 : 2,574,097.83 = 1,101,256.98 : x
  2. Step 2: Convert to fraction form
    1,865,219.82/2,574,097.83 = 1,101,256.98/x
  3. Step 3: Cross multiply
    1,865,219.82x = 2,574,097.83 × 1,101,256.98
  4. Step 4: Simplify right side
    1,865,219.82x = 2,834,743,202,490.35
  5. Step 5: Solve for x
    x = 2,834,743,202,490.35/1,865,219.82
  6. Step 6: Final answer
    x = 1,519,790.41

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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.