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Finding the Fourth Proportional to 535,776.21, 803,105.39 and 180,668.13

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Solution

The fourth proportional to 535,776.21, 803,105.39 and 180,668.13 is: 270,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,776.21 : 803,105.39 = 180,668.13 : x
  2. Step 2: Convert to fraction form
    535,776.21/803,105.39 = 180,668.13/x
  3. Step 3: Cross multiply
    535,776.21x = 803,105.39 × 180,668.13
  4. Step 4: Simplify right side
    535,776.21x = 145,095,548,100.88
  5. Step 5: Solve for x
    x = 145,095,548,100.88/535,776.21
  6. Step 6: Final answer
    x = 270,813.72

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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.