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Finding the Fourth Proportional to 304,697.45, 457,088.74 and 127,163.81

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Solution

The fourth proportional to 304,697.45, 457,088.74 and 127,163.81 is: 190,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,697.45 : 457,088.74 = 127,163.81 : x
  2. Step 2: Convert to fraction form
    304,697.45/457,088.74 = 127,163.81/x
  3. Step 3: Cross multiply
    304,697.45x = 457,088.74 × 127,163.81
  4. Step 4: Simplify right side
    304,697.45x = 58,125,146,511.31
  5. Step 5: Solve for x
    x = 58,125,146,511.31/304,697.45
  6. Step 6: Final answer
    x = 190,763.48

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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.