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Finding the Fourth Proportional to 343,322.72, 473,791.06 and 190,367.36

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Solution

The fourth proportional to 343,322.72, 473,791.06 and 190,367.36 is: 262,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,322.72 : 473,791.06 = 190,367.36 : x
  2. Step 2: Convert to fraction form
    343,322.72/473,791.06 = 190,367.36/x
  3. Step 3: Cross multiply
    343,322.72x = 473,791.06 × 190,367.36
  4. Step 4: Simplify right side
    343,322.72x = 90,194,354,523.78
  5. Step 5: Solve for x
    x = 90,194,354,523.78/343,322.72
  6. Step 6: Final answer
    x = 262,710.13

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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.