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Finding the Fourth Proportional to 331,577.01, 496,949.18 and 141,814.13

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Solution

The fourth proportional to 331,577.01, 496,949.18 and 141,814.13 is: 212,543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,577.01 : 496,949.18 = 141,814.13 : x
  2. Step 2: Convert to fraction form
    331,577.01/496,949.18 = 141,814.13/x
  3. Step 3: Cross multiply
    331,577.01x = 496,949.18 × 141,814.13
  4. Step 4: Simplify right side
    331,577.01x = 70,474,412,422.10
  5. Step 5: Solve for x
    x = 70,474,412,422.10/331,577.01
  6. Step 6: Final answer
    x = 212,543.12

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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.