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Finding the Fourth Proportional to 336,644.60, 504,092.10 and 266,077.40

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Solution

The fourth proportional to 336,644.60, 504,092.10 and 266,077.40 is: 398,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,644.60 : 504,092.10 = 266,077.40 : x
  2. Step 2: Convert to fraction form
    336,644.60/504,092.10 = 266,077.40/x
  3. Step 3: Cross multiply
    336,644.60x = 504,092.10 × 266,077.40
  4. Step 4: Simplify right side
    336,644.60x = 134,127,515,328.54
  5. Step 5: Solve for x
    x = 134,127,515,328.54/336,644.60
  6. Step 6: Final answer
    x = 398,424.67

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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.