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Finding the Fourth Proportional to 353,195.70, 487,403.17 and 192,049.34

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Solution

The fourth proportional to 353,195.70, 487,403.17 and 192,049.34 is: 265,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,195.70 : 487,403.17 = 192,049.34 : x
  2. Step 2: Convert to fraction form
    353,195.70/487,403.17 = 192,049.34/x
  3. Step 3: Cross multiply
    353,195.70x = 487,403.17 × 192,049.34
  4. Step 4: Simplify right side
    353,195.70x = 93,605,457,112.41
  5. Step 5: Solve for x
    x = 93,605,457,112.41/353,195.70
  6. Step 6: Final answer
    x = 265,024.34

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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.