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Finding the Fourth Proportional to 617,533.80, 925,816.80 and 243,836.52

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Solution

The fourth proportional to 617,533.80, 925,816.80 and 243,836.52 is: 365,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,533.80 : 925,816.80 = 243,836.52 : x
  2. Step 2: Convert to fraction form
    617,533.80/925,816.80 = 243,836.52/x
  3. Step 3: Cross multiply
    617,533.80x = 925,816.80 × 243,836.52
  4. Step 4: Simplify right side
    617,533.80x = 225,747,946,669.54
  5. Step 5: Solve for x
    x = 225,747,946,669.54/617,533.80
  6. Step 6: Final answer
    x = 365,563.71

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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.