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Finding the Fourth Proportional to 1,831,640.40, 2,747,417.40 and 501,944.40

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Solution

The fourth proportional to 1,831,640.40, 2,747,417.40 and 501,944.40 is: 752,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,640.40 : 2,747,417.40 = 501,944.40 : x
  2. Step 2: Convert to fraction form
    1,831,640.40/2,747,417.40 = 501,944.40/x
  3. Step 3: Cross multiply
    1,831,640.40x = 2,747,417.40 × 501,944.40
  4. Step 4: Simplify right side
    1,831,640.40x = 1,379,050,778,392.56
  5. Step 5: Solve for x
    x = 1,379,050,778,392.56/1,831,640.40
  6. Step 6: Final answer
    x = 752,904.76

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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.