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Finding the Fourth Proportional to 896,747.70, 1,256,379.90 and 896,747.70

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Solution

The fourth proportional to 896,747.70, 1,256,379.90 and 896,747.70 is: 1,256,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,747.70 : 1,256,379.90 = 896,747.70 : x
  2. Step 2: Convert to fraction form
    896,747.70/1,256,379.90 = 896,747.70/x
  3. Step 3: Cross multiply
    896,747.70x = 1,256,379.90 × 896,747.70
  4. Step 4: Simplify right side
    896,747.70x = 1,126,655,785,651.23
  5. Step 5: Solve for x
    x = 1,126,655,785,651.23/896,747.70
  6. Step 6: Final answer
    x = 1,256,379.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.