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Finding the Fourth Proportional to 285,594.66, 427,924.62 and 173,309.40

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Solution

The fourth proportional to 285,594.66, 427,924.62 and 173,309.40 is: 259,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,594.66 : 427,924.62 = 173,309.40 : x
  2. Step 2: Convert to fraction form
    285,594.66/427,924.62 = 173,309.40/x
  3. Step 3: Cross multiply
    285,594.66x = 427,924.62 × 173,309.40
  4. Step 4: Simplify right side
    285,594.66x = 74,163,359,137.43
  5. Step 5: Solve for x
    x = 74,163,359,137.43/285,594.66
  6. Step 6: Final answer
    x = 259,680.48

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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.