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Finding the Fourth Proportional to 492,995.21, 739,574.61 and 173,064.14

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Solution

The fourth proportional to 492,995.21, 739,574.61 and 173,064.14 is: 259,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,995.21 : 739,574.61 = 173,064.14 : x
  2. Step 2: Convert to fraction form
    492,995.21/739,574.61 = 173,064.14/x
  3. Step 3: Cross multiply
    492,995.21x = 739,574.61 × 173,064.14
  4. Step 4: Simplify right side
    492,995.21x = 127,993,845,261.76
  5. Step 5: Solve for x
    x = 127,993,845,261.76/492,995.21
  6. Step 6: Final answer
    x = 259,624.93

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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.