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Finding the Fourth Proportional to 248,836.40, 373,254.60 and 219,287.60

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Solution

The fourth proportional to 248,836.40, 373,254.60 and 219,287.60 is: 328,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,836.40 : 373,254.60 = 219,287.60 : x
  2. Step 2: Convert to fraction form
    248,836.40/373,254.60 = 219,287.60/x
  3. Step 3: Cross multiply
    248,836.40x = 373,254.60 × 219,287.60
  4. Step 4: Simplify right side
    248,836.40x = 81,850,105,422.96
  5. Step 5: Solve for x
    x = 81,850,105,422.96/248,836.40
  6. Step 6: Final answer
    x = 328,931.40

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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.