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Finding the Fourth Proportional to 297,952.90, 446,929.35 and 171,981.70

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Solution

The fourth proportional to 297,952.90, 446,929.35 and 171,981.70 is: 257,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,952.90 : 446,929.35 = 171,981.70 : x
  2. Step 2: Convert to fraction form
    297,952.90/446,929.35 = 171,981.70/x
  3. Step 3: Cross multiply
    297,952.90x = 446,929.35 × 171,981.70
  4. Step 4: Simplify right side
    297,952.90x = 76,863,669,392.90
  5. Step 5: Solve for x
    x = 76,863,669,392.90/297,952.90
  6. Step 6: Final answer
    x = 257,972.55

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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.