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Finding the Fourth Proportional to 883,942.80, 1,325,914.20 and 584,761.20

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Solution

The fourth proportional to 883,942.80, 1,325,914.20 and 584,761.20 is: 877,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,942.80 : 1,325,914.20 = 584,761.20 : x
  2. Step 2: Convert to fraction form
    883,942.80/1,325,914.20 = 584,761.20/x
  3. Step 3: Cross multiply
    883,942.80x = 1,325,914.20 × 584,761.20
  4. Step 4: Simplify right side
    883,942.80x = 775,343,178,689.04
  5. Step 5: Solve for x
    x = 775,343,178,689.04/883,942.80
  6. Step 6: Final answer
    x = 877,141.80

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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.