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Finding the Fourth Proportional to 248,843.40, 373,265.10 and 219,294.60

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Solution

The fourth proportional to 248,843.40, 373,265.10 and 219,294.60 is: 328,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,843.40 : 373,265.10 = 219,294.60 : x
  2. Step 2: Convert to fraction form
    248,843.40/373,265.10 = 219,294.60/x
  3. Step 3: Cross multiply
    248,843.40x = 373,265.10 × 219,294.60
  4. Step 4: Simplify right side
    248,843.40x = 81,855,020,798.46
  5. Step 5: Solve for x
    x = 81,855,020,798.46/248,843.40
  6. Step 6: Final answer
    x = 328,941.90

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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.