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Finding the Fourth Proportional to 744,156, 1,116,234.06 and 218,844

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Solution

The fourth proportional to 744,156, 1,116,234.06 and 218,844 is: 328,266.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,156 : 1,116,234.06 = 218,844 : x
  2. Step 2: Convert to fraction form
    744,156/1,116,234.06 = 218,844/x
  3. Step 3: Cross multiply
    744,156x = 1,116,234.06 × 218,844
  4. Step 4: Simplify right side
    744,156x = 244,281,126,626.64
  5. Step 5: Solve for x
    x = 244,281,126,626.64/744,156
  6. Step 6: Final answer
    x = 328,266.02

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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.