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Finding the Fourth Proportional to 296,657.26, 444,986.02 and 72,017.98

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Solution

The fourth proportional to 296,657.26, 444,986.02 and 72,017.98 is: 108,027.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,657.26 : 444,986.02 = 72,017.98 : x
  2. Step 2: Convert to fraction form
    296,657.26/444,986.02 = 72,017.98/x
  3. Step 3: Cross multiply
    296,657.26x = 444,986.02 × 72,017.98
  4. Step 4: Simplify right side
    296,657.26x = 32,046,994,288.64
  5. Step 5: Solve for x
    x = 32,046,994,288.64/296,657.26
  6. Step 6: Final answer
    x = 108,027.00

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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.