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Finding the Fourth Proportional to 451,871.65, 677,808.69 and 185,445.24

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Solution

The fourth proportional to 451,871.65, 677,808.69 and 185,445.24 is: 278,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,871.65 : 677,808.69 = 185,445.24 : x
  2. Step 2: Convert to fraction form
    451,871.65/677,808.69 = 185,445.24/x
  3. Step 3: Cross multiply
    451,871.65x = 677,808.69 × 185,445.24
  4. Step 4: Simplify right side
    451,871.65x = 125,696,395,191.14
  5. Step 5: Solve for x
    x = 125,696,395,191.14/451,871.65
  6. Step 6: Final answer
    x = 278,168.36

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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.