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Finding the Fourth Proportional to 437,235.12, 655,852.80 and 337,540.86

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Solution

The fourth proportional to 437,235.12, 655,852.80 and 337,540.86 is: 506,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,235.12 : 655,852.80 = 337,540.86 : x
  2. Step 2: Convert to fraction form
    437,235.12/655,852.80 = 337,540.86/x
  3. Step 3: Cross multiply
    437,235.12x = 655,852.80 × 337,540.86
  4. Step 4: Simplify right side
    437,235.12x = 221,377,118,145.41
  5. Step 5: Solve for x
    x = 221,377,118,145.41/437,235.12
  6. Step 6: Final answer
    x = 506,311.38

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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.