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Finding the Fourth Proportional to 422,001.85, 582,243.34 and 249,844.25

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Solution

The fourth proportional to 422,001.85, 582,243.34 and 249,844.25 is: 344,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,001.85 : 582,243.34 = 249,844.25 : x
  2. Step 2: Convert to fraction form
    422,001.85/582,243.34 = 249,844.25/x
  3. Step 3: Cross multiply
    422,001.85x = 582,243.34 × 249,844.25
  4. Step 4: Simplify right side
    422,001.85x = 145,470,148,624.13
  5. Step 5: Solve for x
    x = 145,470,148,624.13/422,001.85
  6. Step 6: Final answer
    x = 344,714.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.