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Finding the Fourth Proportional to 545,052.30, 817,578.45 and 335,100.30

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Solution

The fourth proportional to 545,052.30, 817,578.45 and 335,100.30 is: 502,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,052.30 : 817,578.45 = 335,100.30 : x
  2. Step 2: Convert to fraction form
    545,052.30/817,578.45 = 335,100.30/x
  3. Step 3: Cross multiply
    545,052.30x = 817,578.45 × 335,100.30
  4. Step 4: Simplify right side
    545,052.30x = 273,970,783,868.54
  5. Step 5: Solve for x
    x = 273,970,783,868.54/545,052.30
  6. Step 6: Final answer
    x = 502,650.45

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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.