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Finding the Fourth Proportional to 1,749,895.80, 2,414,855.64 and 945,079.80

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Solution

The fourth proportional to 1,749,895.80, 2,414,855.64 and 945,079.80 is: 1,304,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,895.80 : 2,414,855.64 = 945,079.80 : x
  2. Step 2: Convert to fraction form
    1,749,895.80/2,414,855.64 = 945,079.80/x
  3. Step 3: Cross multiply
    1,749,895.80x = 2,414,855.64 × 945,079.80
  4. Step 4: Simplify right side
    1,749,895.80x = 2,282,231,285,280.07
  5. Step 5: Solve for x
    x = 2,282,231,285,280.07/1,749,895.80
  6. Step 6: Final answer
    x = 1,304,209.82

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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.