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Finding the Fourth Proportional to 283,613.43, 425,420.13 and 194,597.07

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Solution

The fourth proportional to 283,613.43, 425,420.13 and 194,597.07 is: 291,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,613.43 : 425,420.13 = 194,597.07 : x
  2. Step 2: Convert to fraction form
    283,613.43/425,420.13 = 194,597.07/x
  3. Step 3: Cross multiply
    283,613.43x = 425,420.13 × 194,597.07
  4. Step 4: Simplify right side
    283,613.43x = 82,785,510,817.02
  5. Step 5: Solve for x
    x = 82,785,510,817.02/283,613.43
  6. Step 6: Final answer
    x = 291,895.59

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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.