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Finding the Fourth Proportional to 450,590.45, 621,772.61 and 269,266.28

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Solution

The fourth proportional to 450,590.45, 621,772.61 and 269,266.28 is: 371,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,590.45 : 621,772.61 = 269,266.28 : x
  2. Step 2: Convert to fraction form
    450,590.45/621,772.61 = 269,266.28/x
  3. Step 3: Cross multiply
    450,590.45x = 621,772.61 × 269,266.28
  4. Step 4: Simplify right side
    450,590.45x = 167,422,393,245.40
  5. Step 5: Solve for x
    x = 167,422,393,245.40/450,590.45
  6. Step 6: Final answer
    x = 371,562.24

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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.