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Finding the Fourth Proportional to 492,061.37, 738,316.95 and 222,261.65

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Solution

The fourth proportional to 492,061.37, 738,316.95 and 222,261.65 is: 333,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,061.37 : 738,316.95 = 222,261.65 : x
  2. Step 2: Convert to fraction form
    492,061.37/738,316.95 = 222,261.65/x
  3. Step 3: Cross multiply
    492,061.37x = 738,316.95 × 222,261.65
  4. Step 4: Simplify right side
    492,061.37x = 164,099,539,838.38
  5. Step 5: Solve for x
    x = 164,099,539,838.38/492,061.37
  6. Step 6: Final answer
    x = 333,494.05

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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.