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Finding the Fourth Proportional to 356,152.67, 491,490.63 and 195,007.70

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Solution

The fourth proportional to 356,152.67, 491,490.63 and 195,007.70 is: 269,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,152.67 : 491,490.63 = 195,007.70 : x
  2. Step 2: Convert to fraction form
    356,152.67/491,490.63 = 195,007.70/x
  3. Step 3: Cross multiply
    356,152.67x = 491,490.63 × 195,007.70
  4. Step 4: Simplify right side
    356,152.67x = 95,844,454,870.40
  5. Step 5: Solve for x
    x = 95,844,454,870.40/356,152.67
  6. Step 6: Final answer
    x = 269,110.59

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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.