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Finding the Fourth Proportional to 833,866.76, 1,250,782.86 and 202,783.88

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Solution

The fourth proportional to 833,866.76, 1,250,782.86 and 202,783.88 is: 304,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,866.76 : 1,250,782.86 = 202,783.88 : x
  2. Step 2: Convert to fraction form
    833,866.76/1,250,782.86 = 202,783.88/x
  3. Step 3: Cross multiply
    833,866.76x = 1,250,782.86 × 202,783.88
  4. Step 4: Simplify right side
    833,866.76x = 253,638,601,388.30
  5. Step 5: Solve for x
    x = 253,638,601,388.30/833,866.76
  6. Step 6: Final answer
    x = 304,171.62

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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.