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Finding the Fourth Proportional to 303,671.72, 455,460.90 and 101,271.38

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Solution

The fourth proportional to 303,671.72, 455,460.90 and 101,271.38 is: 151,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,671.72 : 455,460.90 = 101,271.38 : x
  2. Step 2: Convert to fraction form
    303,671.72/455,460.90 = 101,271.38/x
  3. Step 3: Cross multiply
    303,671.72x = 455,460.90 × 101,271.38
  4. Step 4: Simplify right side
    303,671.72x = 46,125,151,221.97
  5. Step 5: Solve for x
    x = 46,125,151,221.97/303,671.72
  6. Step 6: Final answer
    x = 151,891.49

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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.