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Finding the Fourth Proportional to 291,859.10, 437,530.26 and 114,493.40

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Solution

The fourth proportional to 291,859.10, 437,530.26 and 114,493.40 is: 171,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,859.10 : 437,530.26 = 114,493.40 : x
  2. Step 2: Convert to fraction form
    291,859.10/437,530.26 = 114,493.40/x
  3. Step 3: Cross multiply
    291,859.10x = 437,530.26 × 114,493.40
  4. Step 4: Simplify right side
    291,859.10x = 50,094,327,070.28
  5. Step 5: Solve for x
    x = 50,094,327,070.28/291,859.10
  6. Step 6: Final answer
    x = 171,638.74

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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.