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Finding the Fourth Proportional to 535,416.72, 801,899.28 and 269,252.88

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Solution

The fourth proportional to 535,416.72, 801,899.28 and 269,252.88 is: 403,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,416.72 : 801,899.28 = 269,252.88 : x
  2. Step 2: Convert to fraction form
    535,416.72/801,899.28 = 269,252.88/x
  3. Step 3: Cross multiply
    535,416.72x = 801,899.28 × 269,252.88
  4. Step 4: Simplify right side
    535,416.72x = 215,913,690,609.93
  5. Step 5: Solve for x
    x = 215,913,690,609.93/535,416.72
  6. Step 6: Final answer
    x = 403,262.88

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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.