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Finding the Fourth Proportional to 355,888.25, 490,941.86 and 241,127.63

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Solution

The fourth proportional to 355,888.25, 490,941.86 and 241,127.63 is: 332,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,888.25 : 490,941.86 = 241,127.63 : x
  2. Step 2: Convert to fraction form
    355,888.25/490,941.86 = 241,127.63/x
  3. Step 3: Cross multiply
    355,888.25x = 490,941.86 × 241,127.63
  4. Step 4: Simplify right side
    355,888.25x = 118,379,645,350.28
  5. Step 5: Solve for x
    x = 118,379,645,350.28/355,888.25
  6. Step 6: Final answer
    x = 332,631.51

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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.