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Finding the Fourth Proportional to 585,965.53, 808,649.49 and 331,311.25

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Solution

The fourth proportional to 585,965.53, 808,649.49 and 331,311.25 is: 457,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,965.53 : 808,649.49 = 331,311.25 : x
  2. Step 2: Convert to fraction form
    585,965.53/808,649.49 = 331,311.25/x
  3. Step 3: Cross multiply
    585,965.53x = 808,649.49 × 331,311.25
  4. Step 4: Simplify right side
    585,965.53x = 267,914,673,343.76
  5. Step 5: Solve for x
    x = 267,914,673,343.76/585,965.53
  6. Step 6: Final answer
    x = 457,219.17

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