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Finding the Fourth Proportional to 439,595.01, 658,638.42 and 295,230.21

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Solution

The fourth proportional to 439,595.01, 658,638.42 and 295,230.21 is: 442,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,595.01 : 658,638.42 = 295,230.21 : x
  2. Step 2: Convert to fraction form
    439,595.01/658,638.42 = 295,230.21/x
  3. Step 3: Cross multiply
    439,595.01x = 658,638.42 × 295,230.21
  4. Step 4: Simplify right side
    439,595.01x = 194,449,959,050.67
  5. Step 5: Solve for x
    x = 194,449,959,050.67/439,595.01
  6. Step 6: Final answer
    x = 442,338.87

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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.