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Finding the Fourth Proportional to 332,307.61, 458,564.31 and 196,309.02

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Solution

The fourth proportional to 332,307.61, 458,564.31 and 196,309.02 is: 270,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,307.61 : 458,564.31 = 196,309.02 : x
  2. Step 2: Convert to fraction form
    332,307.61/458,564.31 = 196,309.02/x
  3. Step 3: Cross multiply
    332,307.61x = 458,564.31 × 196,309.02
  4. Step 4: Simplify right side
    332,307.61x = 90,020,309,995.39
  5. Step 5: Solve for x
    x = 90,020,309,995.39/332,307.61
  6. Step 6: Final answer
    x = 270,894.52

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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.