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Finding the Fourth Proportional to 291,544.98, 437,317.47 and 166,798.50

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Solution

The fourth proportional to 291,544.98, 437,317.47 and 166,798.50 is: 250,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,544.98 : 437,317.47 = 166,798.50 : x
  2. Step 2: Convert to fraction form
    291,544.98/437,317.47 = 166,798.50/x
  3. Step 3: Cross multiply
    291,544.98x = 437,317.47 × 166,798.50
  4. Step 4: Simplify right side
    291,544.98x = 72,943,898,019.80
  5. Step 5: Solve for x
    x = 72,943,898,019.80/291,544.98
  6. Step 6: Final answer
    x = 250,197.75

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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.