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Finding the Fourth Proportional to 343,444.26, 473,936.22 and 190,470.48

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Solution

The fourth proportional to 343,444.26, 473,936.22 and 190,470.48 is: 262,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,444.26 : 473,936.22 = 190,470.48 : x
  2. Step 2: Convert to fraction form
    343,444.26/473,936.22 = 190,470.48/x
  3. Step 3: Cross multiply
    343,444.26x = 473,936.22 × 190,470.48
  4. Step 4: Simplify right side
    343,444.26x = 90,270,859,312.79
  5. Step 5: Solve for x
    x = 90,270,859,312.79/343,444.26
  6. Step 6: Final answer
    x = 262,839.91

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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.