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Finding the Fourth Proportional to 1,894,868.80, 2,614,887.24 and 1,035,409.24

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Solution

The fourth proportional to 1,894,868.80, 2,614,887.24 and 1,035,409.24 is: 1,428,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894,868.80 : 2,614,887.24 = 1,035,409.24 : x
  2. Step 2: Convert to fraction form
    1,894,868.80/2,614,887.24 = 1,035,409.24/x
  3. Step 3: Cross multiply
    1,894,868.80x = 2,614,887.24 × 1,035,409.24
  4. Step 4: Simplify right side
    1,894,868.80x = 2,707,478,409,854.10
  5. Step 5: Solve for x
    x = 2,707,478,409,854.10/1,894,868.80
  6. Step 6: Final answer
    x = 1,428,847.43

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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.