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Finding the Fourth Proportional to 384,594.79, 576,946.86 and 118,377.49

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Solution

The fourth proportional to 384,594.79, 576,946.86 and 118,377.49 is: 177,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,594.79 : 576,946.86 = 118,377.49 : x
  2. Step 2: Convert to fraction form
    384,594.79/576,946.86 = 118,377.49/x
  3. Step 3: Cross multiply
    384,594.79x = 576,946.86 × 118,377.49
  4. Step 4: Simplify right side
    384,594.79x = 68,297,521,150.18
  5. Step 5: Solve for x
    x = 68,297,521,150.18/384,594.79
  6. Step 6: Final answer
    x = 177,583.06

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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.