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Finding the Fourth Proportional to 431,329.68, 595,226.92 and 240,338.96

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Solution

The fourth proportional to 431,329.68, 595,226.92 and 240,338.96 is: 331,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,329.68 : 595,226.92 = 240,338.96 : x
  2. Step 2: Convert to fraction form
    431,329.68/595,226.92 = 240,338.96/x
  3. Step 3: Cross multiply
    431,329.68x = 595,226.92 × 240,338.96
  4. Step 4: Simplify right side
    431,329.68x = 143,056,218,916.80
  5. Step 5: Solve for x
    x = 143,056,218,916.80/431,329.68
  6. Step 6: Final answer
    x = 331,663.29

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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.