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Finding the Fourth Proportional to 603,423.12, 905,515.80 and 337,358.16

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Solution

The fourth proportional to 603,423.12, 905,515.80 and 337,358.16 is: 506,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,423.12 : 905,515.80 = 337,358.16 : x
  2. Step 2: Convert to fraction form
    603,423.12/905,515.80 = 337,358.16/x
  3. Step 3: Cross multiply
    603,423.12x = 905,515.80 × 337,358.16
  4. Step 4: Simplify right side
    603,423.12x = 305,483,144,138.93
  5. Step 5: Solve for x
    x = 305,483,144,138.93/603,423.12
  6. Step 6: Final answer
    x = 506,250.31

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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.