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Finding the Fourth Proportional to 304,581.15, 457,134.15 and 211,152.51

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Solution

The fourth proportional to 304,581.15, 457,134.15 and 211,152.51 is: 316,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,581.15 : 457,134.15 = 211,152.51 : x
  2. Step 2: Convert to fraction form
    304,581.15/457,134.15 = 211,152.51/x
  3. Step 3: Cross multiply
    304,581.15x = 457,134.15 × 211,152.51
  4. Step 4: Simplify right side
    304,581.15x = 96,525,023,179.22
  5. Step 5: Solve for x
    x = 96,525,023,179.22/304,581.15
  6. Step 6: Final answer
    x = 316,910.69

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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.