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Finding the Fourth Proportional to 353,095.51, 487,251.57 and 191,949.25

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Solution

The fourth proportional to 353,095.51, 487,251.57 and 191,949.25 is: 264,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,095.51 : 487,251.57 = 191,949.25 : x
  2. Step 2: Convert to fraction form
    353,095.51/487,251.57 = 191,949.25/x
  3. Step 3: Cross multiply
    353,095.51x = 487,251.57 × 191,949.25
  4. Step 4: Simplify right side
    353,095.51x = 93,527,573,422.82
  5. Step 5: Solve for x
    x = 93,527,573,422.82/353,095.51
  6. Step 6: Final answer
    x = 264,878.97

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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.