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Finding the Fourth Proportional to 303,573.22, 455,276.68 and 114,018.93

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Solution

The fourth proportional to 303,573.22, 455,276.68 and 114,018.93 is: 170,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,573.22 : 455,276.68 = 114,018.93 : x
  2. Step 2: Convert to fraction form
    303,573.22/455,276.68 = 114,018.93/x
  3. Step 3: Cross multiply
    303,573.22x = 455,276.68 × 114,018.93
  4. Step 4: Simplify right side
    303,573.22x = 51,910,159,622.51
  5. Step 5: Solve for x
    x = 51,910,159,622.51/303,573.22
  6. Step 6: Final answer
    x = 170,997.17

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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.