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Finding the Fourth Proportional to 562,693.74, 776,517.33 and 308,044.92

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Solution

The fourth proportional to 562,693.74, 776,517.33 and 308,044.92 is: 425,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,693.74 : 776,517.33 = 308,044.92 : x
  2. Step 2: Convert to fraction form
    562,693.74/776,517.33 = 308,044.92/x
  3. Step 3: Cross multiply
    562,693.74x = 776,517.33 × 308,044.92
  4. Step 4: Simplify right side
    562,693.74x = 239,202,222,865.57
  5. Step 5: Solve for x
    x = 239,202,222,865.57/562,693.74
  6. Step 6: Final answer
    x = 425,101.98

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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.