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Finding the Fourth Proportional to 250,957.98, 344,990.27 and 215,904.52

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Solution

The fourth proportional to 250,957.98, 344,990.27 and 215,904.52 is: 296,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,957.98 : 344,990.27 = 215,904.52 : x
  2. Step 2: Convert to fraction form
    250,957.98/344,990.27 = 215,904.52/x
  3. Step 3: Cross multiply
    250,957.98x = 344,990.27 × 215,904.52
  4. Step 4: Simplify right side
    250,957.98x = 74,484,959,620.02
  5. Step 5: Solve for x
    x = 74,484,959,620.02/250,957.98
  6. Step 6: Final answer
    x = 296,802.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.