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Finding the Fourth Proportional to 336,432.64, 504,624.64 and 87,106.56

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Solution

The fourth proportional to 336,432.64, 504,624.64 and 87,106.56 is: 130,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,432.64 : 504,624.64 = 87,106.56 : x
  2. Step 2: Convert to fraction form
    336,432.64/504,624.64 = 87,106.56/x
  3. Step 3: Cross multiply
    336,432.64x = 504,624.64 × 87,106.56
  4. Step 4: Simplify right side
    336,432.64x = 43,956,116,481.64
  5. Step 5: Solve for x
    x = 43,956,116,481.64/336,432.64
  6. Step 6: Final answer
    x = 130,653.54

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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.