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Finding the Fourth Proportional to 492,234.75, 679,284.23 and 265,880.25

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Solution

The fourth proportional to 492,234.75, 679,284.23 and 265,880.25 is: 366,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,234.75 : 679,284.23 = 265,880.25 : x
  2. Step 2: Convert to fraction form
    492,234.75/679,284.23 = 265,880.25/x
  3. Step 3: Cross multiply
    492,234.75x = 679,284.23 × 265,880.25
  4. Step 4: Simplify right side
    492,234.75x = 180,608,259,564.06
  5. Step 5: Solve for x
    x = 180,608,259,564.06/492,234.75
  6. Step 6: Final answer
    x = 366,914.89

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1.5x scale

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.