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Finding the Fourth Proportional to 360,588.24, 540,879.12 and 253,530.54

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Solution

The fourth proportional to 360,588.24, 540,879.12 and 253,530.54 is: 380,293.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,588.24 : 540,879.12 = 253,530.54 : x
  2. Step 2: Convert to fraction form
    360,588.24/540,879.12 = 253,530.54/x
  3. Step 3: Cross multiply
    360,588.24x = 540,879.12 × 253,530.54
  4. Step 4: Simplify right side
    360,588.24x = 137,129,375,368.33
  5. Step 5: Solve for x
    x = 137,129,375,368.33/360,588.24
  6. Step 6: Final answer
    x = 380,293.53

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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.