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Finding the Fourth Proportional to 343,283.25, 473,758.96 and 190,369.41

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Solution

The fourth proportional to 343,283.25, 473,758.96 and 190,369.41 is: 262,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,283.25 : 473,758.96 = 190,369.41 : x
  2. Step 2: Convert to fraction form
    343,283.25/473,758.96 = 190,369.41/x
  3. Step 3: Cross multiply
    343,283.25x = 473,758.96 × 190,369.41
  4. Step 4: Simplify right side
    343,283.25x = 90,189,213,001.95
  5. Step 5: Solve for x
    x = 90,189,213,001.95/343,283.25
  6. Step 6: Final answer
    x = 262,725.35

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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.