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Finding the Fourth Proportional to 303,412.52, 455,253.08 and 159,284.44

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Solution

The fourth proportional to 303,412.52, 455,253.08 and 159,284.44 is: 238,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,412.52 : 455,253.08 = 159,284.44 : x
  2. Step 2: Convert to fraction form
    303,412.52/455,253.08 = 159,284.44/x
  3. Step 3: Cross multiply
    303,412.52x = 455,253.08 × 159,284.44
  4. Step 4: Simplify right side
    303,412.52x = 72,514,731,678.72
  5. Step 5: Solve for x
    x = 72,514,731,678.72/303,412.52
  6. Step 6: Final answer
    x = 238,997.16

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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.