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Finding the Fourth Proportional to 291,956.80, 437,060.40 and 173,567.20

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Solution

The fourth proportional to 291,956.80, 437,060.40 and 173,567.20 is: 259,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,956.80 : 437,060.40 = 173,567.20 : x
  2. Step 2: Convert to fraction form
    291,956.80/437,060.40 = 173,567.20/x
  3. Step 3: Cross multiply
    291,956.80x = 437,060.40 × 173,567.20
  4. Step 4: Simplify right side
    291,956.80x = 75,859,349,858.88
  5. Step 5: Solve for x
    x = 75,859,349,858.88/291,956.80
  6. Step 6: Final answer
    x = 259,830.73

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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.