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Finding the Fourth Proportional to 585,267.36, 807,734.50 and 330,634.94

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Solution

The fourth proportional to 585,267.36, 807,734.50 and 330,634.94 is: 456,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,267.36 : 807,734.50 = 330,634.94 : x
  2. Step 2: Convert to fraction form
    585,267.36/807,734.50 = 330,634.94/x
  3. Step 3: Cross multiply
    585,267.36x = 807,734.50 × 330,634.94
  4. Step 4: Simplify right side
    585,267.36x = 267,065,247,943.43
  5. Step 5: Solve for x
    x = 267,065,247,943.43/585,267.36
  6. Step 6: Final answer
    x = 456,313.24

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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.