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Finding the Fourth Proportional to 490,234.17, 735,351.83 and 153,276.60

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Solution

The fourth proportional to 490,234.17, 735,351.83 and 153,276.60 is: 229,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,234.17 : 735,351.83 = 153,276.60 : x
  2. Step 2: Convert to fraction form
    490,234.17/735,351.83 = 153,276.60/x
  3. Step 3: Cross multiply
    490,234.17x = 735,351.83 × 153,276.60
  4. Step 4: Simplify right side
    490,234.17x = 112,712,228,689.37
  5. Step 5: Solve for x
    x = 112,712,228,689.37/490,234.17
  6. Step 6: Final answer
    x = 229,915.08

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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.