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Finding the Fourth Proportional to 333,757.52, 500,636.28 and 221,656.68

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Solution

The fourth proportional to 333,757.52, 500,636.28 and 221,656.68 is: 332,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,757.52 : 500,636.28 = 221,656.68 : x
  2. Step 2: Convert to fraction form
    333,757.52/500,636.28 = 221,656.68/x
  3. Step 3: Cross multiply
    333,757.52x = 500,636.28 × 221,656.68
  4. Step 4: Simplify right side
    333,757.52x = 110,969,375,712.35
  5. Step 5: Solve for x
    x = 110,969,375,712.35/333,757.52
  6. Step 6: Final answer
    x = 332,485.02

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1.5x scale

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.