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Finding the Fourth Proportional to 351,276.76, 526,915.52 and 164,419.48

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Solution

The fourth proportional to 351,276.76, 526,915.52 and 164,419.48 is: 246,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,276.76 : 526,915.52 = 164,419.48 : x
  2. Step 2: Convert to fraction form
    351,276.76/526,915.52 = 164,419.48/x
  3. Step 3: Cross multiply
    351,276.76x = 526,915.52 × 164,419.48
  4. Step 4: Simplify right side
    351,276.76x = 86,635,175,802.33
  5. Step 5: Solve for x
    x = 86,635,175,802.33/351,276.76
  6. Step 6: Final answer
    x = 246,629.40

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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.