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Finding the Fourth Proportional to 446,644.20, 616,299.60 and 265,351.49

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Solution

The fourth proportional to 446,644.20, 616,299.60 and 265,351.49 is: 366,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,644.20 : 616,299.60 = 265,351.49 : x
  2. Step 2: Convert to fraction form
    446,644.20/616,299.60 = 265,351.49/x
  3. Step 3: Cross multiply
    446,644.20x = 616,299.60 × 265,351.49
  4. Step 4: Simplify right side
    446,644.20x = 163,536,017,146.40
  5. Step 5: Solve for x
    x = 163,536,017,146.40/446,644.20
  6. Step 6: Final answer
    x = 366,143.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.