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Finding the Fourth Proportional to 476,130.60, 714,250.08 and 172,667.73

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Solution

The fourth proportional to 476,130.60, 714,250.08 and 172,667.73 is: 259,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,130.60 : 714,250.08 = 172,667.73 : x
  2. Step 2: Convert to fraction form
    476,130.60/714,250.08 = 172,667.73/x
  3. Step 3: Cross multiply
    476,130.60x = 714,250.08 × 172,667.73
  4. Step 4: Simplify right side
    476,130.60x = 123,327,939,965.92
  5. Step 5: Solve for x
    x = 123,327,939,965.92/476,130.60
  6. Step 6: Final answer
    x = 259,021.24

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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.