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Finding the Fourth Proportional to 363,564.84, 545,162.73 and 272,777.01

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Solution

The fourth proportional to 363,564.84, 545,162.73 and 272,777.01 is: 409,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,564.84 : 545,162.73 = 272,777.01 : x
  2. Step 2: Convert to fraction form
    363,564.84/545,162.73 = 272,777.01/x
  3. Step 3: Cross multiply
    363,564.84x = 545,162.73 × 272,777.01
  4. Step 4: Simplify right side
    363,564.84x = 148,707,859,452.84
  5. Step 5: Solve for x
    x = 148,707,859,452.84/363,564.84
  6. Step 6: Final answer
    x = 409,027.07

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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.