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Finding the Fourth Proportional to 492,535.16, 738,844.65 and 155,485.65

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Solution

The fourth proportional to 492,535.16, 738,844.65 and 155,485.65 is: 233,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,535.16 : 738,844.65 = 155,485.65 : x
  2. Step 2: Convert to fraction form
    492,535.16/738,844.65 = 155,485.65/x
  3. Step 3: Cross multiply
    492,535.16x = 738,844.65 × 155,485.65
  4. Step 4: Simplify right side
    492,535.16x = 114,879,740,654.27
  5. Step 5: Solve for x
    x = 114,879,740,654.27/492,535.16
  6. Step 6: Final answer
    x = 233,241.71

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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.