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Finding the Fourth Proportional to 1,734,945.43, 2,603,040.76 and 775,320.66

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Solution

The fourth proportional to 1,734,945.43, 2,603,040.76 and 775,320.66 is: 1,163,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734,945.43 : 2,603,040.76 = 775,320.66 : x
  2. Step 2: Convert to fraction form
    1,734,945.43/2,603,040.76 = 775,320.66/x
  3. Step 3: Cross multiply
    1,734,945.43x = 2,603,040.76 × 775,320.66
  4. Step 4: Simplify right side
    1,734,945.43x = 2,018,191,276,658.07
  5. Step 5: Solve for x
    x = 2,018,191,276,658.07/1,734,945.43
  6. Step 6: Final answer
    x = 1,163,259.23

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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.