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Finding the Fourth Proportional to 326,510.27, 450,595.45 and 181,318.49

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Solution

The fourth proportional to 326,510.27, 450,595.45 and 181,318.49 is: 250,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,510.27 : 450,595.45 = 181,318.49 : x
  2. Step 2: Convert to fraction form
    326,510.27/450,595.45 = 181,318.49/x
  3. Step 3: Cross multiply
    326,510.27x = 450,595.45 × 181,318.49
  4. Step 4: Simplify right side
    326,510.27x = 81,701,286,594.87
  5. Step 5: Solve for x
    x = 81,701,286,594.87/326,510.27
  6. Step 6: Final answer
    x = 250,225.78

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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.