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Finding the Fourth Proportional to 492,242.67, 679,295.25 and 265,888.17

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Solution

The fourth proportional to 492,242.67, 679,295.25 and 265,888.17 is: 366,925.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,242.67 : 679,295.25 = 265,888.17 : x
  2. Step 2: Convert to fraction form
    492,242.67/679,295.25 = 265,888.17/x
  3. Step 3: Cross multiply
    492,242.67x = 679,295.25 × 265,888.17
  4. Step 4: Simplify right side
    492,242.67x = 180,616,570,912.19
  5. Step 5: Solve for x
    x = 180,616,570,912.19/492,242.67
  6. Step 6: Final answer
    x = 366,925.87

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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.