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Finding the Fourth Proportional to 610,378.88, 842,332.97 and 338,458.23

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Solution

The fourth proportional to 610,378.88, 842,332.97 and 338,458.23 is: 467,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,378.88 : 842,332.97 = 338,458.23 : x
  2. Step 2: Convert to fraction form
    610,378.88/842,332.97 = 338,458.23/x
  3. Step 3: Cross multiply
    610,378.88x = 842,332.97 × 338,458.23
  4. Step 4: Simplify right side
    610,378.88x = 285,094,526,942.99
  5. Step 5: Solve for x
    x = 285,094,526,942.99/610,378.88
  6. Step 6: Final answer
    x = 467,077.97

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