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Finding the Fourth Proportional to 323,499.92, 446,423.90 and 176,326.05

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Solution

The fourth proportional to 323,499.92, 446,423.90 and 176,326.05 is: 243,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,499.92 : 446,423.90 = 176,326.05 : x
  2. Step 2: Convert to fraction form
    323,499.92/446,423.90 = 176,326.05/x
  3. Step 3: Cross multiply
    323,499.92x = 446,423.90 × 176,326.05
  4. Step 4: Simplify right side
    323,499.92x = 78,716,162,030.96
  5. Step 5: Solve for x
    x = 78,716,162,030.96/323,499.92
  6. Step 6: Final answer
    x = 243,326.69

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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.