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Finding the Fourth Proportional to 490,630.92, 735,502.88 and 175,012.80

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Solution

The fourth proportional to 490,630.92, 735,502.88 and 175,012.80 is: 262,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,630.92 : 735,502.88 = 175,012.80 : x
  2. Step 2: Convert to fraction form
    490,630.92/735,502.88 = 175,012.80/x
  3. Step 3: Cross multiply
    490,630.92x = 735,502.88 × 175,012.80
  4. Step 4: Simplify right side
    490,630.92x = 128,722,418,436.86
  5. Step 5: Solve for x
    x = 128,722,418,436.86/490,630.92
  6. Step 6: Final answer
    x = 262,361.00

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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.