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Finding the Fourth Proportional to 1,985,858.82, 2,978,886.65 and 566,124.03

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Solution

The fourth proportional to 1,985,858.82, 2,978,886.65 and 566,124.03 is: 849,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,858.82 : 2,978,886.65 = 566,124.03 : x
  2. Step 2: Convert to fraction form
    1,985,858.82/2,978,886.65 = 566,124.03/x
  3. Step 3: Cross multiply
    1,985,858.82x = 2,978,886.65 × 566,124.03
  4. Step 4: Simplify right side
    1,985,858.82x = 1,686,419,312,380.58
  5. Step 5: Solve for x
    x = 1,686,419,312,380.58/1,985,858.82
  6. Step 6: Final answer
    x = 849,214.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.