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Finding the Fourth Proportional to 1,796,669.80, 2,695,004.70 and 898,250.20

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Solution

The fourth proportional to 1,796,669.80, 2,695,004.70 and 898,250.20 is: 1,347,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,669.80 : 2,695,004.70 = 898,250.20 : x
  2. Step 2: Convert to fraction form
    1,796,669.80/2,695,004.70 = 898,250.20/x
  3. Step 3: Cross multiply
    1,796,669.80x = 2,695,004.70 × 898,250.20
  4. Step 4: Simplify right side
    1,796,669.80x = 2,420,788,510,775.94
  5. Step 5: Solve for x
    x = 2,420,788,510,775.94/1,796,669.80
  6. Step 6: Final answer
    x = 1,347,375.30

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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.