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Finding the Fourth Proportional to 336,126.44, 503,915.74 and 156,325.32

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Solution

The fourth proportional to 336,126.44, 503,915.74 and 156,325.32 is: 234,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,126.44 : 503,915.74 = 156,325.32 : x
  2. Step 2: Convert to fraction form
    336,126.44/503,915.74 = 156,325.32/x
  3. Step 3: Cross multiply
    336,126.44x = 503,915.74 × 156,325.32
  4. Step 4: Simplify right side
    336,126.44x = 78,774,789,308.54
  5. Step 5: Solve for x
    x = 78,774,789,308.54/336,126.44
  6. Step 6: Final answer
    x = 234,360.59

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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.