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Finding the Fourth Proportional to 1,671,555, 2,306,745.90 and 956,163

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Solution

The fourth proportional to 1,671,555, 2,306,745.90 and 956,163 is: 1,319,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,555 : 2,306,745.90 = 956,163 : x
  2. Step 2: Convert to fraction form
    1,671,555/2,306,745.90 = 956,163/x
  3. Step 3: Cross multiply
    1,671,555x = 2,306,745.90 × 956,163
  4. Step 4: Simplify right side
    1,671,555x = 2,205,625,079,981.70
  5. Step 5: Solve for x
    x = 2,205,625,079,981.70/1,671,555
  6. Step 6: Final answer
    x = 1,319,504.94

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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.