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Finding the Fourth Proportional to 248,872.40, 373,308.60 and 219,323.60

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Solution

The fourth proportional to 248,872.40, 373,308.60 and 219,323.60 is: 328,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,872.40 : 373,308.60 = 219,323.60 : x
  2. Step 2: Convert to fraction form
    248,872.40/373,308.60 = 219,323.60/x
  3. Step 3: Cross multiply
    248,872.40x = 373,308.60 × 219,323.60
  4. Step 4: Simplify right side
    248,872.40x = 81,875,386,062.96
  5. Step 5: Solve for x
    x = 81,875,386,062.96/248,872.40
  6. Step 6: Final answer
    x = 328,985.40

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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.