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Finding the Fourth Proportional to 323,311.72, 446,184.02 and 180,071.80

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Solution

The fourth proportional to 323,311.72, 446,184.02 and 180,071.80 is: 248,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,311.72 : 446,184.02 = 180,071.80 : x
  2. Step 2: Convert to fraction form
    323,311.72/446,184.02 = 180,071.80/x
  3. Step 3: Cross multiply
    323,311.72x = 446,184.02 × 180,071.80
  4. Step 4: Simplify right side
    323,311.72x = 80,345,159,612.64
  5. Step 5: Solve for x
    x = 80,345,159,612.64/323,311.72
  6. Step 6: Final answer
    x = 248,506.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.