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Finding the Fourth Proportional to 490,635.59, 735,952.79 and 153,702.48

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Solution

The fourth proportional to 490,635.59, 735,952.79 and 153,702.48 is: 230,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,635.59 : 735,952.79 = 153,702.48 : x
  2. Step 2: Convert to fraction form
    490,635.59/735,952.79 = 153,702.48/x
  3. Step 3: Cross multiply
    490,635.59x = 735,952.79 × 153,702.48
  4. Step 4: Simplify right side
    490,635.59x = 113,117,768,217.41
  5. Step 5: Solve for x
    x = 113,117,768,217.41/490,635.59
  6. Step 6: Final answer
    x = 230,553.53

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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.