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Finding the Fourth Proportional to 422,636.52, 633,332.70 and 185,762.28

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Solution

The fourth proportional to 422,636.52, 633,332.70 and 185,762.28 is: 278,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,636.52 : 633,332.70 = 185,762.28 : x
  2. Step 2: Convert to fraction form
    422,636.52/633,332.70 = 185,762.28/x
  3. Step 3: Cross multiply
    422,636.52x = 633,332.70 × 185,762.28
  4. Step 4: Simplify right side
    422,636.52x = 117,649,326,350.56
  5. Step 5: Solve for x
    x = 117,649,326,350.56/422,636.52
  6. Step 6: Final answer
    x = 278,370.00

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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.