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Finding the Fourth Proportional to 289,842.00, 399,986.10 and 175,104.69

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Solution

The fourth proportional to 289,842.00, 399,986.10 and 175,104.69 is: 241,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,842.00 : 399,986.10 = 175,104.69 : x
  2. Step 2: Convert to fraction form
    289,842.00/399,986.10 = 175,104.69/x
  3. Step 3: Cross multiply
    289,842.00x = 399,986.10 × 175,104.69
  4. Step 4: Simplify right side
    289,842.00x = 70,039,440,544.86
  5. Step 5: Solve for x
    x = 70,039,440,544.86/289,842.00
  6. Step 6: Final answer
    x = 241,646.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.