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Finding the Fourth Proportional to 353,110.82, 487,302.36 and 191,976.74

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Solution

The fourth proportional to 353,110.82, 487,302.36 and 191,976.74 is: 264,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,110.82 : 487,302.36 = 191,976.74 : x
  2. Step 2: Convert to fraction form
    353,110.82/487,302.36 = 191,976.74/x
  3. Step 3: Cross multiply
    353,110.82x = 487,302.36 × 191,976.74
  4. Step 4: Simplify right side
    353,110.82x = 93,550,718,467.11
  5. Step 5: Solve for x
    x = 93,550,718,467.11/353,110.82
  6. Step 6: Final answer
    x = 264,933.03

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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.