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Finding the Fourth Proportional to 550,358.85, 768,927.75 and 550,358.85

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Solution

The fourth proportional to 550,358.85, 768,927.75 and 550,358.85 is: 768,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,358.85 : 768,927.75 = 550,358.85 : x
  2. Step 2: Convert to fraction form
    550,358.85/768,927.75 = 550,358.85/x
  3. Step 3: Cross multiply
    550,358.85x = 768,927.75 × 550,358.85
  4. Step 4: Simplify right side
    550,358.85x = 423,186,192,223.09
  5. Step 5: Solve for x
    x = 423,186,192,223.09/550,358.85
  6. Step 6: Final answer
    x = 768,927.75

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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.