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Finding the Fourth Proportional to 343,424.88, 473,921.88 and 192,520.56

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Solution

The fourth proportional to 343,424.88, 473,921.88 and 192,520.56 is: 265,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,424.88 : 473,921.88 = 192,520.56 : x
  2. Step 2: Convert to fraction form
    343,424.88/473,921.88 = 192,520.56/x
  3. Step 3: Cross multiply
    343,424.88x = 473,921.88 × 192,520.56
  4. Step 4: Simplify right side
    343,424.88x = 91,239,705,733.85
  5. Step 5: Solve for x
    x = 91,239,705,733.85/343,424.88
  6. Step 6: Final answer
    x = 265,675.88

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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.