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Finding the Fourth Proportional to 1,899,433.78, 2,849,150.70 and 569,737.78

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Solution

The fourth proportional to 1,899,433.78, 2,849,150.70 and 569,737.78 is: 854,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,433.78 : 2,849,150.70 = 569,737.78 : x
  2. Step 2: Convert to fraction form
    1,899,433.78/2,849,150.70 = 569,737.78/x
  3. Step 3: Cross multiply
    1,899,433.78x = 2,849,150.70 × 569,737.78
  4. Step 4: Simplify right side
    1,899,433.78x = 1,623,268,794,703.45
  5. Step 5: Solve for x
    x = 1,623,268,794,703.45/1,899,433.78
  6. Step 6: Final answer
    x = 854,606.68

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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.