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Finding the Fourth Proportional to 402,563.43, 603,781.73 and 334,611.35

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Solution

The fourth proportional to 402,563.43, 603,781.73 and 334,611.35 is: 501,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,563.43 : 603,781.73 = 334,611.35 : x
  2. Step 2: Convert to fraction form
    402,563.43/603,781.73 = 334,611.35/x
  3. Step 3: Cross multiply
    402,563.43x = 603,781.73 × 334,611.35
  4. Step 4: Simplify right side
    402,563.43x = 202,032,215,088.67
  5. Step 5: Solve for x
    x = 202,032,215,088.67/402,563.43
  6. Step 6: Final answer
    x = 501,864.30

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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.