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Finding the Fourth Proportional to 336,158.40, 504,237.60 and 299,416.80

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Solution

The fourth proportional to 336,158.40, 504,237.60 and 299,416.80 is: 449,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,158.40 : 504,237.60 = 299,416.80 : x
  2. Step 2: Convert to fraction form
    336,158.40/504,237.60 = 299,416.80/x
  3. Step 3: Cross multiply
    336,158.40x = 504,237.60 × 299,416.80
  4. Step 4: Simplify right side
    336,158.40x = 150,977,208,631.68
  5. Step 5: Solve for x
    x = 150,977,208,631.68/336,158.40
  6. Step 6: Final answer
    x = 449,125.20

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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.