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Finding the Fourth Proportional to 1,749,869.05, 2,414,818.78 and 945,053.05

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Solution

The fourth proportional to 1,749,869.05, 2,414,818.78 and 945,053.05 is: 1,304,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,869.05 : 2,414,818.78 = 945,053.05 : x
  2. Step 2: Convert to fraction form
    1,749,869.05/2,414,818.78 = 945,053.05/x
  3. Step 3: Cross multiply
    1,749,869.05x = 2,414,818.78 × 945,053.05
  4. Step 4: Simplify right side
    1,749,869.05x = 2,282,131,853,236.28
  5. Step 5: Solve for x
    x = 2,282,131,853,236.28/1,749,869.05
  6. Step 6: Final answer
    x = 1,304,172.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.