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Finding the Fourth Proportional to 304,337.10, 419,730.35 and 228,035.37

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Solution

The fourth proportional to 304,337.10, 419,730.35 and 228,035.37 is: 314,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,337.10 : 419,730.35 = 228,035.37 : x
  2. Step 2: Convert to fraction form
    304,337.10/419,730.35 = 228,035.37/x
  3. Step 3: Cross multiply
    304,337.10x = 419,730.35 × 228,035.37
  4. Step 4: Simplify right side
    304,337.10x = 95,713,364,522.30
  5. Step 5: Solve for x
    x = 95,713,364,522.30/304,337.10
  6. Step 6: Final answer
    x = 314,497.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.