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Finding the Fourth Proportional to 304,889.76, 457,260.84 and 127,300.32

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Solution

The fourth proportional to 304,889.76, 457,260.84 and 127,300.32 is: 190,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,889.76 : 457,260.84 = 127,300.32 : x
  2. Step 2: Convert to fraction form
    304,889.76/457,260.84 = 127,300.32/x
  3. Step 3: Cross multiply
    304,889.76x = 457,260.84 × 127,300.32
  4. Step 4: Simplify right side
    304,889.76x = 58,209,451,255.47
  5. Step 5: Solve for x
    x = 58,209,451,255.47/304,889.76
  6. Step 6: Final answer
    x = 190,919.67

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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.