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Finding the Fourth Proportional to 585,195.75, 807,635.88 and 330,563.34

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Solution

The fourth proportional to 585,195.75, 807,635.88 and 330,563.34 is: 456,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,195.75 : 807,635.88 = 330,563.34 : x
  2. Step 2: Convert to fraction form
    585,195.75/807,635.88 = 330,563.34/x
  3. Step 3: Cross multiply
    585,195.75x = 807,635.88 × 330,563.34
  4. Step 4: Simplify right side
    585,195.75x = 266,974,813,996.64
  5. Step 5: Solve for x
    x = 266,974,813,996.64/585,195.75
  6. Step 6: Final answer
    x = 456,214.55

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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.