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Finding the Fourth Proportional to 490,429.55, 735,247.29 and 153,296.62

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Solution

The fourth proportional to 490,429.55, 735,247.29 and 153,296.62 is: 229,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,429.55 : 735,247.29 = 153,296.62 : x
  2. Step 2: Convert to fraction form
    490,429.55/735,247.29 = 153,296.62/x
  3. Step 3: Cross multiply
    490,429.55x = 735,247.29 × 153,296.62
  4. Step 4: Simplify right side
    490,429.55x = 112,710,923,157.90
  5. Step 5: Solve for x
    x = 112,710,923,157.90/490,429.55
  6. Step 6: Final answer
    x = 229,820.82

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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.