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Finding the Fourth Proportional to 328,298.68, 452,975.04 and 199,234.24

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Solution

The fourth proportional to 328,298.68, 452,975.04 and 199,234.24 is: 274,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,298.68 : 452,975.04 = 199,234.24 : x
  2. Step 2: Convert to fraction form
    328,298.68/452,975.04 = 199,234.24/x
  3. Step 3: Cross multiply
    328,298.68x = 452,975.04 × 199,234.24
  4. Step 4: Simplify right side
    328,298.68x = 90,248,137,833.37
  5. Step 5: Solve for x
    x = 90,248,137,833.37/328,298.68
  6. Step 6: Final answer
    x = 274,896.44

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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.