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Finding the Fourth Proportional to 550,904.50, 826,706.31 and 235,363.78

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Solution

The fourth proportional to 550,904.50, 826,706.31 and 235,363.78 is: 353,195.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,904.50 : 826,706.31 = 235,363.78 : x
  2. Step 2: Convert to fraction form
    550,904.50/826,706.31 = 235,363.78/x
  3. Step 3: Cross multiply
    550,904.50x = 826,706.31 × 235,363.78
  4. Step 4: Simplify right side
    550,904.50x = 194,576,722,071.45
  5. Step 5: Solve for x
    x = 194,576,722,071.45/550,904.50
  6. Step 6: Final answer
    x = 353,195.01

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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.