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Finding the Fourth Proportional to 450,010.20, 675,015.30 and 410,611.80

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Solution

The fourth proportional to 450,010.20, 675,015.30 and 410,611.80 is: 615,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,010.20 : 675,015.30 = 410,611.80 : x
  2. Step 2: Convert to fraction form
    450,010.20/675,015.30 = 410,611.80/x
  3. Step 3: Cross multiply
    450,010.20x = 675,015.30 × 410,611.80
  4. Step 4: Simplify right side
    450,010.20x = 277,169,247,360.54
  5. Step 5: Solve for x
    x = 277,169,247,360.54/450,010.20
  6. Step 6: Final answer
    x = 615,917.70

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1.5x scale

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.