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Finding the Fourth Proportional to 303,901.50, 455,871.69 and 116,913.00

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Solution

The fourth proportional to 303,901.50, 455,871.69 and 116,913.00 is: 175,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,901.50 : 455,871.69 = 116,913.00 : x
  2. Step 2: Convert to fraction form
    303,901.50/455,871.69 = 116,913.00/x
  3. Step 3: Cross multiply
    303,901.50x = 455,871.69 × 116,913.00
  4. Step 4: Simplify right side
    303,901.50x = 53,297,324,745.03
  5. Step 5: Solve for x
    x = 53,297,324,745.03/303,901.50
  6. Step 6: Final answer
    x = 175,376.97

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1.5x scale

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.