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Finding the Fourth Proportional to 339,595.68, 508,727.84 and 197,142.16

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Solution

The fourth proportional to 339,595.68, 508,727.84 and 197,142.16 is: 295,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,595.68 : 508,727.84 = 197,142.16 : x
  2. Step 2: Convert to fraction form
    339,595.68/508,727.84 = 197,142.16/x
  3. Step 3: Cross multiply
    339,595.68x = 508,727.84 × 197,142.16
  4. Step 4: Simplify right side
    339,595.68x = 100,291,705,229.73
  5. Step 5: Solve for x
    x = 100,291,705,229.73/339,595.68
  6. Step 6: Final answer
    x = 295,326.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.