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Finding the Fourth Proportional to 1,700,230.80, 2,544,441.30 and 1,168,789.80

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Solution

The fourth proportional to 1,700,230.80, 2,544,441.30 and 1,168,789.80 is: 1,749,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,230.80 : 2,544,441.30 = 1,168,789.80 : x
  2. Step 2: Convert to fraction form
    1,700,230.80/2,544,441.30 = 1,168,789.80/x
  3. Step 3: Cross multiply
    1,700,230.80x = 2,544,441.30 × 1,168,789.80
  4. Step 4: Simplify right side
    1,700,230.80x = 2,973,917,038,138.74
  5. Step 5: Solve for x
    x = 2,973,917,038,138.74/1,700,230.80
  6. Step 6: Final answer
    x = 1,749,125.49

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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.