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Finding the Fourth Proportional to 291,495.04, 437,292.32 and 133,736.96

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Solution

The fourth proportional to 291,495.04, 437,292.32 and 133,736.96 is: 200,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,495.04 : 437,292.32 = 133,736.96 : x
  2. Step 2: Convert to fraction form
    291,495.04/437,292.32 = 133,736.96/x
  3. Step 3: Cross multiply
    291,495.04x = 437,292.32 × 133,736.96
  4. Step 4: Simplify right side
    291,495.04x = 58,482,145,508.15
  5. Step 5: Solve for x
    x = 58,482,145,508.15/291,495.04
  6. Step 6: Final answer
    x = 200,628.27

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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.