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Finding the Fourth Proportional to 384,801.05, 577,295.00 and 118,561.56

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Solution

The fourth proportional to 384,801.05, 577,295.00 and 118,561.56 is: 177,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,801.05 : 577,295.00 = 118,561.56 : x
  2. Step 2: Convert to fraction form
    384,801.05/577,295.00 = 118,561.56/x
  3. Step 3: Cross multiply
    384,801.05x = 577,295.00 × 118,561.56
  4. Step 4: Simplify right side
    384,801.05x = 68,444,992,300.92
  5. Step 5: Solve for x
    x = 68,444,992,300.92/384,801.05
  6. Step 6: Final answer
    x = 177,871.12

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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.