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Finding the Fourth Proportional to 323,364.22, 446,243.04 and 176,188.30

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Solution

The fourth proportional to 323,364.22, 446,243.04 and 176,188.30 is: 243,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,364.22 : 446,243.04 = 176,188.30 : x
  2. Step 2: Convert to fraction form
    323,364.22/446,243.04 = 176,188.30/x
  3. Step 3: Cross multiply
    323,364.22x = 446,243.04 × 176,188.30
  4. Step 4: Simplify right side
    323,364.22x = 78,622,801,488.82
  5. Step 5: Solve for x
    x = 78,622,801,488.82/323,364.22
  6. Step 6: Final answer
    x = 243,140.08

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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.