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Finding the Fourth Proportional to 325,607.46, 488,017.53 and 167,749.80

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Solution

The fourth proportional to 325,607.46, 488,017.53 and 167,749.80 is: 251,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,607.46 : 488,017.53 = 167,749.80 : x
  2. Step 2: Convert to fraction form
    325,607.46/488,017.53 = 167,749.80/x
  3. Step 3: Cross multiply
    325,607.46x = 488,017.53 × 167,749.80
  4. Step 4: Simplify right side
    325,607.46x = 81,864,843,053.99
  5. Step 5: Solve for x
    x = 81,864,843,053.99/325,607.46
  6. Step 6: Final answer
    x = 251,421.89

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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.