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Finding the Fourth Proportional to 941,405.40, 1,410,552.90 and 801,437.40

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Solution

The fourth proportional to 941,405.40, 1,410,552.90 and 801,437.40 is: 1,200,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,405.40 : 1,410,552.90 = 801,437.40 : x
  2. Step 2: Convert to fraction form
    941,405.40/1,410,552.90 = 801,437.40/x
  3. Step 3: Cross multiply
    941,405.40x = 1,410,552.90 × 801,437.40
  4. Step 4: Simplify right side
    941,405.40x = 1,130,469,848,738.46
  5. Step 5: Solve for x
    x = 1,130,469,848,738.46/941,405.40
  6. Step 6: Final answer
    x = 1,200,832.13

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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.