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Finding the Fourth Proportional to 360,928.80, 541,466.10 and 124,295.40

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Solution

The fourth proportional to 360,928.80, 541,466.10 and 124,295.40 is: 186,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,928.80 : 541,466.10 = 124,295.40 : x
  2. Step 2: Convert to fraction form
    360,928.80/541,466.10 = 124,295.40/x
  3. Step 3: Cross multiply
    360,928.80x = 541,466.10 × 124,295.40
  4. Step 4: Simplify right side
    360,928.80x = 67,301,745,485.94
  5. Step 5: Solve for x
    x = 67,301,745,485.94/360,928.80
  6. Step 6: Final answer
    x = 186,468.21

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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.