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Finding the Fourth Proportional to 1,644,811.80, 2,471,364.90 and 1,046,059.80

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Solution

The fourth proportional to 1,644,811.80, 2,471,364.90 and 1,046,059.80 is: 1,571,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,811.80 : 2,471,364.90 = 1,046,059.80 : x
  2. Step 2: Convert to fraction form
    1,644,811.80/2,471,364.90 = 1,046,059.80/x
  3. Step 3: Cross multiply
    1,644,811.80x = 2,471,364.90 × 1,046,059.80
  4. Step 4: Simplify right side
    1,644,811.80x = 2,585,195,473,021.02
  5. Step 5: Solve for x
    x = 2,585,195,473,021.02/1,644,811.80
  6. Step 6: Final answer
    x = 1,571,727.22

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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.