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Finding the Fourth Proportional to 1,985,631.36, 2,977,954.96 and 565,699.74

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Solution

The fourth proportional to 1,985,631.36, 2,977,954.96 and 565,699.74 is: 848,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,631.36 : 2,977,954.96 = 565,699.74 : x
  2. Step 2: Convert to fraction form
    1,985,631.36/2,977,954.96 = 565,699.74/x
  3. Step 3: Cross multiply
    1,985,631.36x = 2,977,954.96 × 565,699.74
  4. Step 4: Simplify right side
    1,985,631.36x = 1,684,628,328,885.44
  5. Step 5: Solve for x
    x = 1,684,628,328,885.44/1,985,631.36
  6. Step 6: Final answer
    x = 848,409.41

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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.