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Finding the Fourth Proportional to 1,747,608.24, 2,620,535.56 and 1,018,367.72

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Solution

The fourth proportional to 1,747,608.24, 2,620,535.56 and 1,018,367.72 is: 1,527,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,608.24 : 2,620,535.56 = 1,018,367.72 : x
  2. Step 2: Convert to fraction form
    1,747,608.24/2,620,535.56 = 1,018,367.72/x
  3. Step 3: Cross multiply
    1,747,608.24x = 2,620,535.56 × 1,018,367.72
  4. Step 4: Simplify right side
    1,747,608.24x = 2,668,668,823,416.12
  5. Step 5: Solve for x
    x = 2,668,668,823,416.12/1,747,608.24
  6. Step 6: Final answer
    x = 1,527,040.65

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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.