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Finding the Fourth Proportional to 291,950.40, 437,623.20 and 158,548.80

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Solution

The fourth proportional to 291,950.40, 437,623.20 and 158,548.80 is: 237,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,950.40 : 437,623.20 = 158,548.80 : x
  2. Step 2: Convert to fraction form
    291,950.40/437,623.20 = 158,548.80/x
  3. Step 3: Cross multiply
    291,950.40x = 437,623.20 × 158,548.80
  4. Step 4: Simplify right side
    291,950.40x = 69,384,633,212.16
  5. Step 5: Solve for x
    x = 69,384,633,212.16/291,950.40
  6. Step 6: Final answer
    x = 237,658.98

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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.