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Finding the Fourth Proportional to 336,052.10, 504,078.15 and 149,063.60

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Solution

The fourth proportional to 336,052.10, 504,078.15 and 149,063.60 is: 223,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,052.10 : 504,078.15 = 149,063.60 : x
  2. Step 2: Convert to fraction form
    336,052.10/504,078.15 = 149,063.60/x
  3. Step 3: Cross multiply
    336,052.10x = 504,078.15 × 149,063.60
  4. Step 4: Simplify right side
    336,052.10x = 75,139,703,720.34
  5. Step 5: Solve for x
    x = 75,139,703,720.34/336,052.10
  6. Step 6: Final answer
    x = 223,595.40

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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.