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Finding the Fourth Proportional to 883,611.10, 1,325,805.45 and 410,052.70

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Solution

The fourth proportional to 883,611.10, 1,325,805.45 and 410,052.70 is: 615,259.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,611.10 : 1,325,805.45 = 410,052.70 : x
  2. Step 2: Convert to fraction form
    883,611.10/1,325,805.45 = 410,052.70/x
  3. Step 3: Cross multiply
    883,611.10x = 1,325,805.45 × 410,052.70
  4. Step 4: Simplify right side
    883,611.10x = 543,650,104,447.22
  5. Step 5: Solve for x
    x = 543,650,104,447.22/883,611.10
  6. Step 6: Final answer
    x = 615,259.48

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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.