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Finding the Fourth Proportional to 497,891.40, 746,750.70 and 182,185.80

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Solution

The fourth proportional to 497,891.40, 746,750.70 and 182,185.80 is: 273,247.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,891.40 : 746,750.70 = 182,185.80 : x
  2. Step 2: Convert to fraction form
    497,891.40/746,750.70 = 182,185.80/x
  3. Step 3: Cross multiply
    497,891.40x = 746,750.70 × 182,185.80
  4. Step 4: Simplify right side
    497,891.40x = 136,047,373,680.06
  5. Step 5: Solve for x
    x = 136,047,373,680.06/497,891.40
  6. Step 6: Final answer
    x = 273,247.08

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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.