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Finding the Fourth Proportional to 1,796,677.80, 2,695,016.70 and 1,619,530.80

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Solution

The fourth proportional to 1,796,677.80, 2,695,016.70 and 1,619,530.80 is: 2,429,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,677.80 : 2,695,016.70 = 1,619,530.80 : x
  2. Step 2: Convert to fraction form
    1,796,677.80/2,695,016.70 = 1,619,530.80/x
  3. Step 3: Cross multiply
    1,796,677.80x = 2,695,016.70 × 1,619,530.80
  4. Step 4: Simplify right side
    1,796,677.80x = 4,364,662,552,164.36
  5. Step 5: Solve for x
    x = 4,364,662,552,164.36/1,796,677.80
  6. Step 6: Final answer
    x = 2,429,296.20

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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.