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Finding the Fourth Proportional to 562,283.28, 775,970.30 and 307,634.46

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Solution

The fourth proportional to 562,283.28, 775,970.30 and 307,634.46 is: 424,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,283.28 : 775,970.30 = 307,634.46 : x
  2. Step 2: Convert to fraction form
    562,283.28/775,970.30 = 307,634.46/x
  3. Step 3: Cross multiply
    562,283.28x = 775,970.30 × 307,634.46
  4. Step 4: Simplify right side
    562,283.28x = 238,715,204,216.54
  5. Step 5: Solve for x
    x = 238,715,204,216.54/562,283.28
  6. Step 6: Final answer
    x = 424,546.15

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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.