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Finding the Fourth Proportional to 353,063.70, 487,237.38 and 191,929.56

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Solution

The fourth proportional to 353,063.70, 487,237.38 and 191,929.56 is: 264,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,063.70 : 487,237.38 = 191,929.56 : x
  2. Step 2: Convert to fraction form
    353,063.70/487,237.38 = 191,929.56/x
  3. Step 3: Cross multiply
    353,063.70x = 487,237.38 × 191,929.56
  4. Step 4: Simplify right side
    353,063.70x = 93,515,255,958.95
  5. Step 5: Solve for x
    x = 93,515,255,958.95/353,063.70
  6. Step 6: Final answer
    x = 264,867.94

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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.