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Finding the Fourth Proportional to 1,828,186.22, 2,742,534.68 and 762,984.38

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Solution

The fourth proportional to 1,828,186.22, 2,742,534.68 and 762,984.38 is: 1,144,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,186.22 : 2,742,534.68 = 762,984.38 : x
  2. Step 2: Convert to fraction form
    1,828,186.22/2,742,534.68 = 762,984.38/x
  3. Step 3: Cross multiply
    1,828,186.22x = 2,742,534.68 × 762,984.38
  4. Step 4: Simplify right side
    1,828,186.22x = 2,092,511,104,920.70
  5. Step 5: Solve for x
    x = 2,092,511,104,920.70/1,828,186.22
  6. Step 6: Final answer
    x = 1,144,583.13

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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.