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Finding the Fourth Proportional to 567,363.20, 782,964.59 and 325,639.58

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Solution

The fourth proportional to 567,363.20, 782,964.59 and 325,639.58 is: 449,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,363.20 : 782,964.59 = 325,639.58 : x
  2. Step 2: Convert to fraction form
    567,363.20/782,964.59 = 325,639.58/x
  3. Step 3: Cross multiply
    567,363.20x = 782,964.59 × 325,639.58
  4. Step 4: Simplify right side
    567,363.20x = 254,964,254,699.45
  5. Step 5: Solve for x
    x = 254,964,254,699.45/567,363.20
  6. Step 6: Final answer
    x = 449,384.55

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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.