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Finding the Fourth Proportional to 323,706.98, 485,700.39 and 173,772.18

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Solution

The fourth proportional to 323,706.98, 485,700.39 and 173,772.18 is: 260,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,706.98 : 485,700.39 = 173,772.18 : x
  2. Step 2: Convert to fraction form
    323,706.98/485,700.39 = 173,772.18/x
  3. Step 3: Cross multiply
    323,706.98x = 485,700.39 × 173,772.18
  4. Step 4: Simplify right side
    323,706.98x = 84,401,215,597.15
  5. Step 5: Solve for x
    x = 84,401,215,597.15/323,706.98
  6. Step 6: Final answer
    x = 260,733.39

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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.