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Finding the Fourth Proportional to 323,501.42, 446,425.97 and 176,327.55

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Solution

The fourth proportional to 323,501.42, 446,425.97 and 176,327.55 is: 243,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,501.42 : 446,425.97 = 176,327.55 : x
  2. Step 2: Convert to fraction form
    323,501.42/446,425.97 = 176,327.55/x
  3. Step 3: Cross multiply
    323,501.42x = 446,425.97 × 176,327.55
  4. Step 4: Simplify right side
    323,501.42x = 78,717,196,664.84
  5. Step 5: Solve for x
    x = 78,717,196,664.84/323,501.42
  6. Step 6: Final answer
    x = 243,328.76

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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.