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Finding the Fourth Proportional to 356,099.61, 491,417.58 and 194,964.89

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Solution

The fourth proportional to 356,099.61, 491,417.58 and 194,964.89 is: 269,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,099.61 : 491,417.58 = 194,964.89 : x
  2. Step 2: Convert to fraction form
    356,099.61/491,417.58 = 194,964.89/x
  3. Step 3: Cross multiply
    356,099.61x = 491,417.58 × 194,964.89
  4. Step 4: Simplify right side
    356,099.61x = 95,809,173,453.94
  5. Step 5: Solve for x
    x = 95,809,173,453.94/356,099.61
  6. Step 6: Final answer
    x = 269,051.61

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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.