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Finding the Fourth Proportional to 326,866.68, 451,244.02 and 226,089.72

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Solution

The fourth proportional to 326,866.68, 451,244.02 and 226,089.72 is: 312,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,866.68 : 451,244.02 = 226,089.72 : x
  2. Step 2: Convert to fraction form
    326,866.68/451,244.02 = 226,089.72/x
  3. Step 3: Cross multiply
    326,866.68x = 451,244.02 × 226,089.72
  4. Step 4: Simplify right side
    326,866.68x = 102,021,634,133.47
  5. Step 5: Solve for x
    x = 102,021,634,133.47/326,866.68
  6. Step 6: Final answer
    x = 312,120.02

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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.