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Finding the Fourth Proportional to 343,442.28, 473,933.44 and 190,468.48

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Solution

The fourth proportional to 343,442.28, 473,933.44 and 190,468.48 is: 262,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,442.28 : 473,933.44 = 190,468.48 : x
  2. Step 2: Convert to fraction form
    343,442.28/473,933.44 = 190,468.48/x
  3. Step 3: Cross multiply
    343,442.28x = 473,933.44 × 190,468.48
  4. Step 4: Simplify right side
    343,442.28x = 90,269,381,937.97
  5. Step 5: Solve for x
    x = 90,269,381,937.97/343,442.28
  6. Step 6: Final answer
    x = 262,837.13

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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.