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Finding the Fourth Proportional to 384,590.79, 576,940.86 and 118,373.49

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Solution

The fourth proportional to 384,590.79, 576,940.86 and 118,373.49 is: 177,577.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,590.79 : 576,940.86 = 118,373.49 : x
  2. Step 2: Convert to fraction form
    384,590.79/576,940.86 = 118,373.49/x
  3. Step 3: Cross multiply
    384,590.79x = 576,940.86 × 118,373.49
  4. Step 4: Simplify right side
    384,590.79x = 68,294,503,121.80
  5. Step 5: Solve for x
    x = 68,294,503,121.80/384,590.79
  6. Step 6: Final answer
    x = 177,577.06

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1.5x scale

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.