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Finding the Fourth Proportional to 490,633.84, 735,950.16 and 153,700.73

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Solution

The fourth proportional to 490,633.84, 735,950.16 and 153,700.73 is: 230,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,633.84 : 735,950.16 = 153,700.73 : x
  2. Step 2: Convert to fraction form
    490,633.84/735,950.16 = 153,700.73/x
  3. Step 3: Cross multiply
    490,633.84x = 735,950.16 × 153,700.73
  4. Step 4: Simplify right side
    490,633.84x = 113,116,076,835.62
  5. Step 5: Solve for x
    x = 113,116,076,835.62/490,633.84
  6. Step 6: Final answer
    x = 230,550.91

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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.