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Finding the Fourth Proportional to 336,729.60, 464,697.68 and 191,531.67

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Solution

The fourth proportional to 336,729.60, 464,697.68 and 191,531.67 is: 264,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,729.60 : 464,697.68 = 191,531.67 : x
  2. Step 2: Convert to fraction form
    336,729.60/464,697.68 = 191,531.67/x
  3. Step 3: Cross multiply
    336,729.60x = 464,697.68 × 191,531.67
  4. Step 4: Simplify right side
    336,729.60x = 89,004,319,995.25
  5. Step 5: Solve for x
    x = 89,004,319,995.25/336,729.60
  6. Step 6: Final answer
    x = 264,319.86

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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.