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Finding the Fourth Proportional to 561,361.28, 842,030.08 and 182,281.60

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Solution

The fourth proportional to 561,361.28, 842,030.08 and 182,281.60 is: 273,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,361.28 : 842,030.08 = 182,281.60 : x
  2. Step 2: Convert to fraction form
    561,361.28/842,030.08 = 182,281.60/x
  3. Step 3: Cross multiply
    561,361.28x = 842,030.08 × 182,281.60
  4. Step 4: Simplify right side
    561,361.28x = 153,486,590,230.53
  5. Step 5: Solve for x
    x = 153,486,590,230.53/561,361.28
  6. Step 6: Final answer
    x = 273,418.56

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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.