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Finding the Fourth Proportional to 294,814.56, 406,844.24 and 167,490.40

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Solution

The fourth proportional to 294,814.56, 406,844.24 and 167,490.40 is: 231,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,814.56 : 406,844.24 = 167,490.40 : x
  2. Step 2: Convert to fraction form
    294,814.56/406,844.24 = 167,490.40/x
  3. Step 3: Cross multiply
    294,814.56x = 406,844.24 × 167,490.40
  4. Step 4: Simplify right side
    294,814.56x = 68,142,504,495.30
  5. Step 5: Solve for x
    x = 68,142,504,495.30/294,814.56
  6. Step 6: Final answer
    x = 231,136.84

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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.