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Finding the Fourth Proportional to 504,041.80, 756,354.30 and 188,530.60

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Solution

The fourth proportional to 504,041.80, 756,354.30 and 188,530.60 is: 282,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,041.80 : 756,354.30 = 188,530.60 : x
  2. Step 2: Convert to fraction form
    504,041.80/756,354.30 = 188,530.60/x
  3. Step 3: Cross multiply
    504,041.80x = 756,354.30 × 188,530.60
  4. Step 4: Simplify right side
    504,041.80x = 142,595,929,991.58
  5. Step 5: Solve for x
    x = 142,595,929,991.58/504,041.80
  6. Step 6: Final answer
    x = 282,904.97

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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.