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Finding the Fourth Proportional to 303,272, 455,302.21 and 233,200.52

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Solution

The fourth proportional to 303,272, 455,302.21 and 233,200.52 is: 350,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,272 : 455,302.21 = 233,200.52 : x
  2. Step 2: Convert to fraction form
    303,272/455,302.21 = 233,200.52/x
  3. Step 3: Cross multiply
    303,272x = 455,302.21 × 233,200.52
  4. Step 4: Simplify right side
    303,272x = 106,176,712,129.15
  5. Step 5: Solve for x
    x = 106,176,712,129.15/303,272
  6. Step 6: Final answer
    x = 350,103.91

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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.