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Finding the Fourth Proportional to 1,081,706.80, 1,619,449.80 and 1,050,602.80

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Solution

The fourth proportional to 1,081,706.80, 1,619,449.80 and 1,050,602.80 is: 1,572,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,706.80 : 1,619,449.80 = 1,050,602.80 : x
  2. Step 2: Convert to fraction form
    1,081,706.80/1,619,449.80 = 1,050,602.80/x
  3. Step 3: Cross multiply
    1,081,706.80x = 1,619,449.80 × 1,050,602.80
  4. Step 4: Simplify right side
    1,081,706.80x = 1,701,398,494,339.44
  5. Step 5: Solve for x
    x = 1,701,398,494,339.44/1,081,706.80
  6. Step 6: Final answer
    x = 1,572,883.24

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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.