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Finding the Fourth Proportional to 360,015.83, 540,023.74 and 123,323.03

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Solution

The fourth proportional to 360,015.83, 540,023.74 and 123,323.03 is: 184,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,015.83 : 540,023.74 = 123,323.03 : x
  2. Step 2: Convert to fraction form
    360,015.83/540,023.74 = 123,323.03/x
  3. Step 3: Cross multiply
    360,015.83x = 540,023.74 × 123,323.03
  4. Step 4: Simplify right side
    360,015.83x = 66,597,360,880.31
  5. Step 5: Solve for x
    x = 66,597,360,880.31/360,015.83
  6. Step 6: Final answer
    x = 184,984.54

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1.5x scale

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.