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Finding the Fourth Proportional to 343,370.22, 473,856.64 and 190,414.84

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Solution

The fourth proportional to 343,370.22, 473,856.64 and 190,414.84 is: 262,775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,370.22 : 473,856.64 = 190,414.84 : x
  2. Step 2: Convert to fraction form
    343,370.22/473,856.64 = 190,414.84/x
  3. Step 3: Cross multiply
    343,370.22x = 473,856.64 × 190,414.84
  4. Step 4: Simplify right side
    343,370.22x = 90,229,336,288.54
  5. Step 5: Solve for x
    x = 90,229,336,288.54/343,370.22
  6. Step 6: Final answer
    x = 262,775.66

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1.5x scale

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.