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Finding the Fourth Proportional to 216,000.80, 323,612.40 and 176,343.20

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Solution

The fourth proportional to 216,000.80, 323,612.40 and 176,343.20 is: 264,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,000.80 : 323,612.40 = 176,343.20 : x
  2. Step 2: Convert to fraction form
    216,000.80/323,612.40 = 176,343.20/x
  3. Step 3: Cross multiply
    216,000.80x = 323,612.40 × 176,343.20
  4. Step 4: Simplify right side
    216,000.80x = 57,066,846,175.68
  5. Step 5: Solve for x
    x = 57,066,846,175.68/216,000.80
  6. Step 6: Final answer
    x = 264,197.38

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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.