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Finding the Fourth Proportional to 1,652.09, 2,477.93 and 556.43

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Solution

The fourth proportional to 1,652.09, 2,477.93 and 556.43 is: 834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.09 : 2,477.93 = 556.43 : x
  2. Step 2: Convert to fraction form
    1,652.09/2,477.93 = 556.43/x
  3. Step 3: Cross multiply
    1,652.09x = 2,477.93 × 556.43
  4. Step 4: Simplify right side
    1,652.09x = 1,378,779.42
  5. Step 5: Solve for x
    x = 1,378,779.42/1,652.09
  6. Step 6: Final answer
    x = 834.57

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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.