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Finding the Fourth Proportional to 291,544.92, 436,941.90 and 141,494.82

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Solution

The fourth proportional to 291,544.92, 436,941.90 and 141,494.82 is: 212,060.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,544.92 : 436,941.90 = 141,494.82 : x
  2. Step 2: Convert to fraction form
    291,544.92/436,941.90 = 141,494.82/x
  3. Step 3: Cross multiply
    291,544.92x = 436,941.90 × 141,494.82
  4. Step 4: Simplify right side
    291,544.92x = 61,825,015,490.96
  5. Step 5: Solve for x
    x = 61,825,015,490.96/291,544.92
  6. Step 6: Final answer
    x = 212,060.00

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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.