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Finding the Fourth Proportional to 829,819.70, 1,244,729.55 and 829,819.70

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Solution

The fourth proportional to 829,819.70, 1,244,729.55 and 829,819.70 is: 1,244,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,819.70 : 1,244,729.55 = 829,819.70 : x
  2. Step 2: Convert to fraction form
    829,819.70/1,244,729.55 = 829,819.70/x
  3. Step 3: Cross multiply
    829,819.70x = 1,244,729.55 × 829,819.70
  4. Step 4: Simplify right side
    829,819.70x = 1,032,901,101,762.14
  5. Step 5: Solve for x
    x = 1,032,901,101,762.14/829,819.70
  6. Step 6: Final answer
    x = 1,244,729.55

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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.