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Finding the Fourth Proportional to 550,233.80, 770,852.20 and 550,233.80

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Solution

The fourth proportional to 550,233.80, 770,852.20 and 550,233.80 is: 770,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,233.80 : 770,852.20 = 550,233.80 : x
  2. Step 2: Convert to fraction form
    550,233.80/770,852.20 = 550,233.80/x
  3. Step 3: Cross multiply
    550,233.80x = 770,852.20 × 550,233.80
  4. Step 4: Simplify right side
    550,233.80x = 424,148,935,244.36
  5. Step 5: Solve for x
    x = 424,148,935,244.36/550,233.80
  6. Step 6: Final answer
    x = 770,852.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.