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Finding the Fourth Proportional to 550,998.40, 824,942.40 and 535,446.40

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Solution

The fourth proportional to 550,998.40, 824,942.40 and 535,446.40 is: 801,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,998.40 : 824,942.40 = 535,446.40 : x
  2. Step 2: Convert to fraction form
    550,998.40/824,942.40 = 535,446.40/x
  3. Step 3: Cross multiply
    550,998.40x = 824,942.40 × 535,446.40
  4. Step 4: Simplify right side
    550,998.40x = 441,712,438,287.36
  5. Step 5: Solve for x
    x = 441,712,438,287.36/550,998.40
  6. Step 6: Final answer
    x = 801,658.30

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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.