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Finding the Fourth Proportional to 307,332.12, 460,724.58 and 120,473.88

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Solution

The fourth proportional to 307,332.12, 460,724.58 and 120,473.88 is: 180,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,332.12 : 460,724.58 = 120,473.88 : x
  2. Step 2: Convert to fraction form
    307,332.12/460,724.58 = 120,473.88/x
  3. Step 3: Cross multiply
    307,332.12x = 460,724.58 × 120,473.88
  4. Step 4: Simplify right side
    307,332.12x = 55,505,277,763.97
  5. Step 5: Solve for x
    x = 55,505,277,763.97/307,332.12
  6. Step 6: Final answer
    x = 180,603.57

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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.