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Finding the Fourth Proportional to 291,254.04, 436,930.87 and 133,496.01

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Solution

The fourth proportional to 291,254.04, 436,930.87 and 133,496.01 is: 200,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,254.04 : 436,930.87 = 133,496.01 : x
  2. Step 2: Convert to fraction form
    291,254.04/436,930.87 = 133,496.01/x
  3. Step 3: Cross multiply
    291,254.04x = 436,930.87 × 133,496.01
  4. Step 4: Simplify right side
    291,254.04x = 58,328,527,457.09
  5. Step 5: Solve for x
    x = 58,328,527,457.09/291,254.04
  6. Step 6: Final answer
    x = 200,266.84

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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.