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Finding the Fourth Proportional to 357,888.88, 493,866.06 and 196,743.89

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Solution

The fourth proportional to 357,888.88, 493,866.06 and 196,743.89 is: 271,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,888.88 : 493,866.06 = 196,743.89 : x
  2. Step 2: Convert to fraction form
    357,888.88/493,866.06 = 196,743.89/x
  3. Step 3: Cross multiply
    357,888.88x = 493,866.06 × 196,743.89
  4. Step 4: Simplify right side
    357,888.88x = 97,165,128,608.94
  5. Step 5: Solve for x
    x = 97,165,128,608.94/357,888.88
  6. Step 6: Final answer
    x = 271,495.24

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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.