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Finding the Fourth Proportional to 462,100, 637,699.92 and 250,132

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Solution

The fourth proportional to 462,100, 637,699.92 and 250,132 is: 345,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,100 : 637,699.92 = 250,132 : x
  2. Step 2: Convert to fraction form
    462,100/637,699.92 = 250,132/x
  3. Step 3: Cross multiply
    462,100x = 637,699.92 × 250,132
  4. Step 4: Simplify right side
    462,100x = 159,509,156,389.44
  5. Step 5: Solve for x
    x = 159,509,156,389.44/462,100
  6. Step 6: Final answer
    x = 345,183.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.