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Finding the Fourth Proportional to 283,558.88, 390,773.12 and 202,846.44

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Solution

The fourth proportional to 283,558.88, 390,773.12 and 202,846.44 is: 279,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,558.88 : 390,773.12 = 202,846.44 : x
  2. Step 2: Convert to fraction form
    283,558.88/390,773.12 = 202,846.44/x
  3. Step 3: Cross multiply
    283,558.88x = 390,773.12 × 202,846.44
  4. Step 4: Simplify right side
    283,558.88x = 79,266,936,239.69
  5. Step 5: Solve for x
    x = 79,266,936,239.69/283,558.88
  6. Step 6: Final answer
    x = 279,543.13

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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.