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Finding the Fourth Proportional to 492,098.40, 737,564.40 and 255,319.20

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Solution

The fourth proportional to 492,098.40, 737,564.40 and 255,319.20 is: 382,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,098.40 : 737,564.40 = 255,319.20 : x
  2. Step 2: Convert to fraction form
    492,098.40/737,564.40 = 255,319.20/x
  3. Step 3: Cross multiply
    492,098.40x = 737,564.40 × 255,319.20
  4. Step 4: Simplify right side
    492,098.40x = 188,314,352,556.48
  5. Step 5: Solve for x
    x = 188,314,352,556.48/492,098.40
  6. Step 6: Final answer
    x = 382,676.21

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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.