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Finding the Fourth Proportional to 1,763,391.83, 2,645,836.67 and 963,739.19

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Solution

The fourth proportional to 1,763,391.83, 2,645,836.67 and 963,739.19 is: 1,446,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,391.83 : 2,645,836.67 = 963,739.19 : x
  2. Step 2: Convert to fraction form
    1,763,391.83/2,645,836.67 = 963,739.19/x
  3. Step 3: Cross multiply
    1,763,391.83x = 2,645,836.67 × 963,739.19
  4. Step 4: Simplify right side
    1,763,391.83x = 2,549,896,498,242.04
  5. Step 5: Solve for x
    x = 2,549,896,498,242.04/1,763,391.83
  6. Step 6: Final answer
    x = 1,446,018.10

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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.