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Finding the Fourth Proportional to 341,092, 470,721.54 and 190,189

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Solution

The fourth proportional to 341,092, 470,721.54 and 190,189 is: 262,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,092 : 470,721.54 = 190,189 : x
  2. Step 2: Convert to fraction form
    341,092/470,721.54 = 190,189/x
  3. Step 3: Cross multiply
    341,092x = 470,721.54 × 190,189
  4. Step 4: Simplify right side
    341,092x = 89,526,058,971.06
  5. Step 5: Solve for x
    x = 89,526,058,971.06/341,092
  6. Step 6: Final answer
    x = 262,468.95

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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.