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Finding the Fourth Proportional to 360,808.02, 540,920.37 and 150,603.30

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Solution

The fourth proportional to 360,808.02, 540,920.37 and 150,603.30 is: 225,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,808.02 : 540,920.37 = 150,603.30 : x
  2. Step 2: Convert to fraction form
    360,808.02/540,920.37 = 150,603.30/x
  3. Step 3: Cross multiply
    360,808.02x = 540,920.37 × 150,603.30
  4. Step 4: Simplify right side
    360,808.02x = 81,464,392,759.22
  5. Step 5: Solve for x
    x = 81,464,392,759.22/360,808.02
  6. Step 6: Final answer
    x = 225,783.21

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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.