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Finding the Fourth Proportional to 323,479.96, 446,396.39 and 176,306.06

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Solution

The fourth proportional to 323,479.96, 446,396.39 and 176,306.06 is: 243,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,479.96 : 446,396.39 = 176,306.06 : x
  2. Step 2: Convert to fraction form
    323,479.96/446,396.39 = 176,306.06/x
  3. Step 3: Cross multiply
    323,479.96x = 446,396.39 × 176,306.06
  4. Step 4: Simplify right side
    323,479.96x = 78,702,388,719.12
  5. Step 5: Solve for x
    x = 78,702,388,719.12/323,479.96
  6. Step 6: Final answer
    x = 243,299.12

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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.