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Finding the Fourth Proportional to 326,877.89, 451,088.79 and 183,634.88

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Solution

The fourth proportional to 326,877.89, 451,088.79 and 183,634.88 is: 253,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,877.89 : 451,088.79 = 183,634.88 : x
  2. Step 2: Convert to fraction form
    326,877.89/451,088.79 = 183,634.88/x
  3. Step 3: Cross multiply
    326,877.89x = 451,088.79 × 183,634.88
  4. Step 4: Simplify right side
    326,877.89x = 82,835,635,821.00
  5. Step 5: Solve for x
    x = 82,835,635,821.00/326,877.89
  6. Step 6: Final answer
    x = 253,414.62

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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.