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Finding the Fourth Proportional to 562,371.75, 776,073.02 and 307,722.96

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Solution

The fourth proportional to 562,371.75, 776,073.02 and 307,722.96 is: 424,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,371.75 : 776,073.02 = 307,722.96 : x
  2. Step 2: Convert to fraction form
    562,371.75/776,073.02 = 307,722.96/x
  3. Step 3: Cross multiply
    562,371.75x = 776,073.02 × 307,722.96
  4. Step 4: Simplify right side
    562,371.75x = 238,815,485,351.92
  5. Step 5: Solve for x
    x = 238,815,485,351.92/562,371.75
  6. Step 6: Final answer
    x = 424,657.68

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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.