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Finding the Fourth Proportional to 535,544.69, 803,319.77 and 180,561.78

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Solution

The fourth proportional to 535,544.69, 803,319.77 and 180,561.78 is: 270,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,544.69 : 803,319.77 = 180,561.78 : x
  2. Step 2: Convert to fraction form
    535,544.69/803,319.77 = 180,561.78/x
  3. Step 3: Cross multiply
    535,544.69x = 803,319.77 × 180,561.78
  4. Step 4: Simplify right side
    535,544.69x = 145,048,848,031.80
  5. Step 5: Solve for x
    x = 145,048,848,031.80/535,544.69
  6. Step 6: Final answer
    x = 270,843.60

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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.