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Finding the Fourth Proportional to 1,603,919.94, 2,213,300.07 and 941,849.70

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Solution

The fourth proportional to 1,603,919.94, 2,213,300.07 and 941,849.70 is: 1,299,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,919.94 : 2,213,300.07 = 941,849.70 : x
  2. Step 2: Convert to fraction form
    1,603,919.94/2,213,300.07 = 941,849.70/x
  3. Step 3: Cross multiply
    1,603,919.94x = 2,213,300.07 × 941,849.70
  4. Step 4: Simplify right side
    1,603,919.94x = 2,084,596,006,939.48
  5. Step 5: Solve for x
    x = 2,084,596,006,939.48/1,603,919.94
  6. Step 6: Final answer
    x = 1,299,688.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.