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Finding the Fourth Proportional to 243,005.40, 364,896.90 and 164,467.80

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Solution

The fourth proportional to 243,005.40, 364,896.90 and 164,467.80 is: 246,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,005.40 : 364,896.90 = 164,467.80 : x
  2. Step 2: Convert to fraction form
    243,005.40/364,896.90 = 164,467.80/x
  3. Step 3: Cross multiply
    243,005.40x = 364,896.90 × 164,467.80
  4. Step 4: Simplify right side
    243,005.40x = 60,013,790,369.82
  5. Step 5: Solve for x
    x = 60,013,790,369.82/243,005.40
  6. Step 6: Final answer
    x = 246,964.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.