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Finding the Fourth Proportional to 941,390.40, 1,410,530.40 and 801,422.40

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Solution

The fourth proportional to 941,390.40, 1,410,530.40 and 801,422.40 is: 1,200,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,390.40 : 1,410,530.40 = 801,422.40 : x
  2. Step 2: Convert to fraction form
    941,390.40/1,410,530.40 = 801,422.40/x
  3. Step 3: Cross multiply
    941,390.40x = 1,410,530.40 × 801,422.40
  4. Step 4: Simplify right side
    941,390.40x = 1,130,430,658,440.96
  5. Step 5: Solve for x
    x = 1,130,430,658,440.96/941,390.40
  6. Step 6: Final answer
    x = 1,200,809.63

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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.