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Finding the Fourth Proportional to 348,409.76, 522,261.69 and 236,101.32

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Solution

The fourth proportional to 348,409.76, 522,261.69 and 236,101.32 is: 353,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,409.76 : 522,261.69 = 236,101.32 : x
  2. Step 2: Convert to fraction form
    348,409.76/522,261.69 = 236,101.32/x
  3. Step 3: Cross multiply
    348,409.76x = 522,261.69 × 236,101.32
  4. Step 4: Simplify right side
    348,409.76x = 123,306,674,394.43
  5. Step 5: Solve for x
    x = 123,306,674,394.43/348,409.76
  6. Step 6: Final answer
    x = 353,912.81

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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.