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Finding the Fourth Proportional to 1,903,904.01, 2,855,721.56 and 893,247.57

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Solution

The fourth proportional to 1,903,904.01, 2,855,721.56 and 893,247.57 is: 1,339,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,904.01 : 2,855,721.56 = 893,247.57 : x
  2. Step 2: Convert to fraction form
    1,903,904.01/2,855,721.56 = 893,247.57/x
  3. Step 3: Cross multiply
    1,903,904.01x = 2,855,721.56 × 893,247.57
  4. Step 4: Simplify right side
    1,903,904.01x = 2,550,866,339,600.37
  5. Step 5: Solve for x
    x = 2,550,866,339,600.37/1,903,904.01
  6. Step 6: Final answer
    x = 1,339,808.27

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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.