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Finding the Fourth Proportional to 362,030.08, 542,338.74 and 236,992

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Solution

The fourth proportional to 362,030.08, 542,338.74 and 236,992 is: 355,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,030.08 : 542,338.74 = 236,992 : x
  2. Step 2: Convert to fraction form
    362,030.08/542,338.74 = 236,992/x
  3. Step 3: Cross multiply
    362,030.08x = 542,338.74 × 236,992
  4. Step 4: Simplify right side
    362,030.08x = 128,529,942,670.08
  5. Step 5: Solve for x
    x = 128,529,942,670.08/362,030.08
  6. Step 6: Final answer
    x = 355,025.59

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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.