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Finding the Fourth Proportional to 291,266.80, 436,914.60 and 151,298.80

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Solution

The fourth proportional to 291,266.80, 436,914.60 and 151,298.80 is: 226,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,266.80 : 436,914.60 = 151,298.80 : x
  2. Step 2: Convert to fraction form
    291,266.80/436,914.60 = 151,298.80/x
  3. Step 3: Cross multiply
    291,266.80x = 436,914.60 × 151,298.80
  4. Step 4: Simplify right side
    291,266.80x = 66,104,654,682.48
  5. Step 5: Solve for x
    x = 66,104,654,682.48/291,266.80
  6. Step 6: Final answer
    x = 226,955.68

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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.