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Finding the Fourth Proportional to 405,969.16, 560,100.88 and 236,063.56

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Solution

The fourth proportional to 405,969.16, 560,100.88 and 236,063.56 is: 325,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,969.16 : 560,100.88 = 236,063.56 : x
  2. Step 2: Convert to fraction form
    405,969.16/560,100.88 = 236,063.56/x
  3. Step 3: Cross multiply
    405,969.16x = 560,100.88 × 236,063.56
  4. Step 4: Simplify right side
    405,969.16x = 132,219,407,691.93
  5. Step 5: Solve for x
    x = 132,219,407,691.93/405,969.16
  6. Step 6: Final answer
    x = 325,688.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.