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Finding the Fourth Proportional to 498,010.25, 747,021.87 and 165,586.25

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Solution

The fourth proportional to 498,010.25, 747,021.87 and 165,586.25 is: 248,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,010.25 : 747,021.87 = 165,586.25 : x
  2. Step 2: Convert to fraction form
    498,010.25/747,021.87 = 165,586.25/x
  3. Step 3: Cross multiply
    498,010.25x = 747,021.87 × 165,586.25
  4. Step 4: Simplify right side
    498,010.25x = 123,696,550,121.29
  5. Step 5: Solve for x
    x = 123,696,550,121.29/498,010.25
  6. Step 6: Final answer
    x = 248,381.53

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1.5x scale

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.