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Finding the Fourth Proportional to 356,915.97, 492,543.59 and 195,771.74

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Solution

The fourth proportional to 356,915.97, 492,543.59 and 195,771.74 is: 270,164.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,915.97 : 492,543.59 = 195,771.74 : x
  2. Step 2: Convert to fraction form
    356,915.97/492,543.59 = 195,771.74/x
  3. Step 3: Cross multiply
    356,915.97x = 492,543.59 × 195,771.74
  4. Step 4: Simplify right side
    356,915.97x = 96,426,112,198.57
  5. Step 5: Solve for x
    x = 96,426,112,198.57/356,915.97
  6. Step 6: Final answer
    x = 270,164.75

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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.