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Finding the Fourth Proportional to 336,368.16, 504,701.28 and 178,558.56

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Solution

The fourth proportional to 336,368.16, 504,701.28 and 178,558.56 is: 267,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,368.16 : 504,701.28 = 178,558.56 : x
  2. Step 2: Convert to fraction form
    336,368.16/504,701.28 = 178,558.56/x
  3. Step 3: Cross multiply
    336,368.16x = 504,701.28 × 178,558.56
  4. Step 4: Simplify right side
    336,368.16x = 90,118,733,786.96
  5. Step 5: Solve for x
    x = 90,118,733,786.96/336,368.16
  6. Step 6: Final answer
    x = 267,916.96

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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.