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Finding the Fourth Proportional to 545,898.42, 753,362.98 and 304,181.19

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Solution

The fourth proportional to 545,898.42, 753,362.98 and 304,181.19 is: 419,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,898.42 : 753,362.98 = 304,181.19 : x
  2. Step 2: Convert to fraction form
    545,898.42/753,362.98 = 304,181.19/x
  3. Step 3: Cross multiply
    545,898.42x = 753,362.98 × 304,181.19
  4. Step 4: Simplify right side
    545,898.42x = 229,158,846,997.89
  5. Step 5: Solve for x
    x = 229,158,846,997.89/545,898.42
  6. Step 6: Final answer
    x = 419,782.95

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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.