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Finding the Fourth Proportional to 999,051.04, 1,377,770.22 and 654,761.62

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Solution

The fourth proportional to 999,051.04, 1,377,770.22 and 654,761.62 is: 902,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,051.04 : 1,377,770.22 = 654,761.62 : x
  2. Step 2: Convert to fraction form
    999,051.04/1,377,770.22 = 654,761.62/x
  3. Step 3: Cross multiply
    999,051.04x = 1,377,770.22 × 654,761.62
  4. Step 4: Simplify right side
    999,051.04x = 902,111,061,234.96
  5. Step 5: Solve for x
    x = 902,111,061,234.96/999,051.04
  6. Step 6: Final answer
    x = 902,967.94

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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.