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Finding the Fourth Proportional to 384,783.39, 577,251.60 and 118,532.52

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Solution

The fourth proportional to 384,783.39, 577,251.60 and 118,532.52 is: 177,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,783.39 : 577,251.60 = 118,532.52 : x
  2. Step 2: Convert to fraction form
    384,783.39/577,251.60 = 118,532.52/x
  3. Step 3: Cross multiply
    384,783.39x = 577,251.60 × 118,532.52
  4. Step 4: Simplify right side
    384,783.39x = 68,423,086,822.03
  5. Step 5: Solve for x
    x = 68,423,086,822.03/384,783.39
  6. Step 6: Final answer
    x = 177,822.35

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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.