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Finding the Fourth Proportional to 1,811,803.02, 2,717,256.25 and 1,082,525.31

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Solution

The fourth proportional to 1,811,803.02, 2,717,256.25 and 1,082,525.31 is: 1,623,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,803.02 : 2,717,256.25 = 1,082,525.31 : x
  2. Step 2: Convert to fraction form
    1,811,803.02/2,717,256.25 = 1,082,525.31/x
  3. Step 3: Cross multiply
    1,811,803.02x = 2,717,256.25 × 1,082,525.31
  4. Step 4: Simplify right side
    1,811,803.02x = 2,941,498,661,674.37
  5. Step 5: Solve for x
    x = 2,941,498,661,674.37/1,811,803.02
  6. Step 6: Final answer
    x = 1,623,520.12

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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.