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Finding the Fourth Proportional to 343,530.44, 474,076.92 and 207,545.48

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Solution

The fourth proportional to 343,530.44, 474,076.92 and 207,545.48 is: 286,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,530.44 : 474,076.92 = 207,545.48 : x
  2. Step 2: Convert to fraction form
    343,530.44/474,076.92 = 207,545.48/x
  3. Step 3: Cross multiply
    343,530.44x = 474,076.92 × 207,545.48
  4. Step 4: Simplify right side
    343,530.44x = 98,392,521,918.32
  5. Step 5: Solve for x
    x = 98,392,521,918.32/343,530.44
  6. Step 6: Final answer
    x = 286,415.73

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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.