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Finding the Fourth Proportional to 304,835.64, 457,179.84 and 127,246.32

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Solution

The fourth proportional to 304,835.64, 457,179.84 and 127,246.32 is: 190,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,835.64 : 457,179.84 = 127,246.32 : x
  2. Step 2: Convert to fraction form
    304,835.64/457,179.84 = 127,246.32/x
  3. Step 3: Cross multiply
    304,835.64x = 457,179.84 × 127,246.32
  4. Step 4: Simplify right side
    304,835.64x = 58,174,452,218.19
  5. Step 5: Solve for x
    x = 58,174,452,218.19/304,835.64
  6. Step 6: Final answer
    x = 190,838.75

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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.