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Finding the Fourth Proportional to 603,353.88, 905,412.30 and 337,289.04

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Solution

The fourth proportional to 603,353.88, 905,412.30 and 337,289.04 is: 506,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,353.88 : 905,412.30 = 337,289.04 : x
  2. Step 2: Convert to fraction form
    603,353.88/905,412.30 = 337,289.04/x
  3. Step 3: Cross multiply
    603,353.88x = 905,412.30 × 337,289.04
  4. Step 4: Simplify right side
    603,353.88x = 305,385,645,471.19
  5. Step 5: Solve for x
    x = 305,385,645,471.19/603,353.88
  6. Step 6: Final answer
    x = 506,146.82

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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.