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Finding the Fourth Proportional to 304,833.64, 455,396.32 and 197,341.88

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Solution

The fourth proportional to 304,833.64, 455,396.32 and 197,341.88 is: 294,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,833.64 : 455,396.32 = 197,341.88 : x
  2. Step 2: Convert to fraction form
    304,833.64/455,396.32 = 197,341.88/x
  3. Step 3: Cross multiply
    304,833.64x = 455,396.32 × 197,341.88
  4. Step 4: Simplify right side
    304,833.64x = 89,868,765,933.88
  5. Step 5: Solve for x
    x = 89,868,765,933.88/304,833.64
  6. Step 6: Final answer
    x = 294,812.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.