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Finding the Fourth Proportional to 291,393.27, 436,893.08 and 148,888.35

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Solution

The fourth proportional to 291,393.27, 436,893.08 and 148,888.35 is: 223,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,393.27 : 436,893.08 = 148,888.35 : x
  2. Step 2: Convert to fraction form
    291,393.27/436,893.08 = 148,888.35/x
  3. Step 3: Cross multiply
    291,393.27x = 436,893.08 × 148,888.35
  4. Step 4: Simplify right side
    291,393.27x = 65,048,289,063.18
  5. Step 5: Solve for x
    x = 65,048,289,063.18/291,393.27
  6. Step 6: Final answer
    x = 223,231.95

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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.