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Finding the Fourth Proportional to 1,361.38, 2,041.78 and 592.02

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Solution

The fourth proportional to 1,361.38, 2,041.78 and 592.02 is: 887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361.38 : 2,041.78 = 592.02 : x
  2. Step 2: Convert to fraction form
    1,361.38/2,041.78 = 592.02/x
  3. Step 3: Cross multiply
    1,361.38x = 2,041.78 × 592.02
  4. Step 4: Simplify right side
    1,361.38x = 1,208,774.60
  5. Step 5: Solve for x
    x = 1,208,774.60/1,361.38
  6. Step 6: Final answer
    x = 887.90

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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.