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Finding the Fourth Proportional to 492,061.08, 679,094.46 and 301,200.60

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Solution

The fourth proportional to 492,061.08, 679,094.46 and 301,200.60 is: 415,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,061.08 : 679,094.46 = 301,200.60 : x
  2. Step 2: Convert to fraction form
    492,061.08/679,094.46 = 301,200.60/x
  3. Step 3: Cross multiply
    492,061.08x = 679,094.46 × 301,200.60
  4. Step 4: Simplify right side
    492,061.08x = 204,543,658,808.68
  5. Step 5: Solve for x
    x = 204,543,658,808.68/492,061.08
  6. Step 6: Final answer
    x = 415,687.54

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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.