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Finding the Fourth Proportional to 1,036,800, 1,555,289.10 and 288,846

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Solution

The fourth proportional to 1,036,800, 1,555,289.10 and 288,846 is: 433,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,800 : 1,555,289.10 = 288,846 : x
  2. Step 2: Convert to fraction form
    1,036,800/1,555,289.10 = 288,846/x
  3. Step 3: Cross multiply
    1,036,800x = 1,555,289.10 × 288,846
  4. Step 4: Simplify right side
    1,036,800x = 449,239,035,378.60
  5. Step 5: Solve for x
    x = 449,239,035,378.60/1,036,800
  6. Step 6: Final answer
    x = 433,293.82

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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.