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Finding the Fourth Proportional to 356,364.66, 491,783.43 and 195,225.54

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Solution

The fourth proportional to 356,364.66, 491,783.43 and 195,225.54 is: 269,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,364.66 : 491,783.43 = 195,225.54 : x
  2. Step 2: Convert to fraction form
    356,364.66/491,783.43 = 195,225.54/x
  3. Step 3: Cross multiply
    356,364.66x = 491,783.43 × 195,225.54
  4. Step 4: Simplify right side
    356,364.66x = 96,008,685,684.80
  5. Step 5: Solve for x
    x = 96,008,685,684.80/356,364.66
  6. Step 6: Final answer
    x = 269,411.35

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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.