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Finding the Fourth Proportional to 303,532.50, 455,300.58 and 135,013.22

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Solution

The fourth proportional to 303,532.50, 455,300.58 and 135,013.22 is: 202,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,532.50 : 455,300.58 = 135,013.22 : x
  2. Step 2: Convert to fraction form
    303,532.50/455,300.58 = 135,013.22/x
  3. Step 3: Cross multiply
    303,532.50x = 455,300.58 × 135,013.22
  4. Step 4: Simplify right side
    303,532.50x = 61,471,597,373.67
  5. Step 5: Solve for x
    x = 61,471,597,373.67/303,532.50
  6. Step 6: Final answer
    x = 202,520.64

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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.