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Finding the Fourth Proportional to 545,537.52, 818,168.04 and 229,991.92

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Solution

The fourth proportional to 545,537.52, 818,168.04 and 229,991.92 is: 344,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,537.52 : 818,168.04 = 229,991.92 : x
  2. Step 2: Convert to fraction form
    545,537.52/818,168.04 = 229,991.92/x
  3. Step 3: Cross multiply
    545,537.52x = 818,168.04 × 229,991.92
  4. Step 4: Simplify right side
    545,537.52x = 188,172,038,402.24
  5. Step 5: Solve for x
    x = 188,172,038,402.24/545,537.52
  6. Step 6: Final answer
    x = 344,929.60

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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.