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Finding the Fourth Proportional to 536,896, 805,348.88 and 162,919

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Solution

The fourth proportional to 536,896, 805,348.88 and 162,919 is: 244,379.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,896 : 805,348.88 = 162,919 : x
  2. Step 2: Convert to fraction form
    536,896/805,348.88 = 162,919/x
  3. Step 3: Cross multiply
    536,896x = 805,348.88 × 162,919
  4. Step 4: Simplify right side
    536,896x = 131,206,634,180.72
  5. Step 5: Solve for x
    x = 131,206,634,180.72/536,896
  6. Step 6: Final answer
    x = 244,379.98

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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.