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Finding the Fourth Proportional to 341,367.90, 471,077.91 and 190,461.66

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Solution

The fourth proportional to 341,367.90, 471,077.91 and 190,461.66 is: 262,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,367.90 : 471,077.91 = 190,461.66 : x
  2. Step 2: Convert to fraction form
    341,367.90/471,077.91 = 190,461.66/x
  3. Step 3: Cross multiply
    341,367.90x = 471,077.91 × 190,461.66
  4. Step 4: Simplify right side
    341,367.90x = 89,722,280,727.93
  5. Step 5: Solve for x
    x = 89,722,280,727.93/341,367.90
  6. Step 6: Final answer
    x = 262,831.63

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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.