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Finding the Fourth Proportional to 360,533.06, 540,418.22 and 135,796.24

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Solution

The fourth proportional to 360,533.06, 540,418.22 and 135,796.24 is: 203,550.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,533.06 : 540,418.22 = 135,796.24 : x
  2. Step 2: Convert to fraction form
    360,533.06/540,418.22 = 135,796.24/x
  3. Step 3: Cross multiply
    360,533.06x = 540,418.22 × 135,796.24
  4. Step 4: Simplify right side
    360,533.06x = 73,386,762,303.49
  5. Step 5: Solve for x
    x = 73,386,762,303.49/360,533.06
  6. Step 6: Final answer
    x = 203,550.72

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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.