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Finding the Fourth Proportional to 303,513.10, 455,269.65 and 116,529.10

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Solution

The fourth proportional to 303,513.10, 455,269.65 and 116,529.10 is: 174,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,513.10 : 455,269.65 = 116,529.10 : x
  2. Step 2: Convert to fraction form
    303,513.10/455,269.65 = 116,529.10/x
  3. Step 3: Cross multiply
    303,513.10x = 455,269.65 × 116,529.10
  4. Step 4: Simplify right side
    303,513.10x = 53,052,162,571.82
  5. Step 5: Solve for x
    x = 53,052,162,571.82/303,513.10
  6. Step 6: Final answer
    x = 174,793.65

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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.