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Finding the Fourth Proportional to 356,299.74, 491,693.85 and 195,154.74

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Solution

The fourth proportional to 356,299.74, 491,693.85 and 195,154.74 is: 269,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,299.74 : 491,693.85 = 195,154.74 : x
  2. Step 2: Convert to fraction form
    356,299.74/491,693.85 = 195,154.74/x
  3. Step 3: Cross multiply
    356,299.74x = 491,693.85 × 195,154.74
  4. Step 4: Simplify right side
    356,299.74x = 95,956,385,456.35
  5. Step 5: Solve for x
    x = 95,956,385,456.35/356,299.74
  6. Step 6: Final answer
    x = 269,313.66

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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.