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Finding the Fourth Proportional to 283,353.30, 424,045.80 and 194,779.80

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Solution

The fourth proportional to 283,353.30, 424,045.80 and 194,779.80 is: 291,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,353.30 : 424,045.80 = 194,779.80 : x
  2. Step 2: Convert to fraction form
    283,353.30/424,045.80 = 194,779.80/x
  3. Step 3: Cross multiply
    283,353.30x = 424,045.80 × 194,779.80
  4. Step 4: Simplify right side
    283,353.30x = 82,595,556,114.84
  5. Step 5: Solve for x
    x = 82,595,556,114.84/283,353.30
  6. Step 6: Final answer
    x = 291,493.19

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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.