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Finding the Fourth Proportional to 447,292.51, 670,922.61 and 194,573.17

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Solution

The fourth proportional to 447,292.51, 670,922.61 and 194,573.17 is: 291,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,292.51 : 670,922.61 = 194,573.17 : x
  2. Step 2: Convert to fraction form
    447,292.51/670,922.61 = 194,573.17/x
  3. Step 3: Cross multiply
    447,292.51x = 670,922.61 × 194,573.17
  4. Step 4: Simplify right side
    447,292.51x = 130,543,539,052.37
  5. Step 5: Solve for x
    x = 130,543,539,052.37/447,292.51
  6. Step 6: Final answer
    x = 291,852.73

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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.