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Finding the Fourth Proportional to 583,996.27, 805,892.21 and 325,859.80

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Solution

The fourth proportional to 583,996.27, 805,892.21 and 325,859.80 is: 449,673.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,996.27 : 805,892.21 = 325,859.80 : x
  2. Step 2: Convert to fraction form
    583,996.27/805,892.21 = 325,859.80/x
  3. Step 3: Cross multiply
    583,996.27x = 805,892.21 × 325,859.80
  4. Step 4: Simplify right side
    583,996.27x = 262,607,874,372.16
  5. Step 5: Solve for x
    x = 262,607,874,372.16/583,996.27
  6. Step 6: Final answer
    x = 449,673.89

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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.