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Finding the Fourth Proportional to 492,237.44, 679,288.08 and 265,883.12

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Solution

The fourth proportional to 492,237.44, 679,288.08 and 265,883.12 is: 366,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,237.44 : 679,288.08 = 265,883.12 : x
  2. Step 2: Convert to fraction form
    492,237.44/679,288.08 = 265,883.12/x
  3. Step 3: Cross multiply
    492,237.44x = 679,288.08 × 265,883.12
  4. Step 4: Simplify right side
    492,237.44x = 180,611,234,089.21
  5. Step 5: Solve for x
    x = 180,611,234,089.21/492,237.44
  6. Step 6: Final answer
    x = 366,918.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.