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Finding the Fourth Proportional to 1,731,941.92, 2,390,004.70 and 946,993.48

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Solution

The fourth proportional to 1,731,941.92, 2,390,004.70 and 946,993.48 is: 1,306,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,941.92 : 2,390,004.70 = 946,993.48 : x
  2. Step 2: Convert to fraction form
    1,731,941.92/2,390,004.70 = 946,993.48/x
  3. Step 3: Cross multiply
    1,731,941.92x = 2,390,004.70 × 946,993.48
  4. Step 4: Simplify right side
    1,731,941.92x = 2,263,318,868,069.36
  5. Step 5: Solve for x
    x = 2,263,318,868,069.36/1,731,941.92
  6. Step 6: Final answer
    x = 1,306,809.91

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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.