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Finding the Fourth Proportional to 343,121.06, 473,393.63 and 207,103.37

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Solution

The fourth proportional to 343,121.06, 473,393.63 and 207,103.37 is: 285,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,121.06 : 473,393.63 = 207,103.37 : x
  2. Step 2: Convert to fraction form
    343,121.06/473,393.63 = 207,103.37/x
  3. Step 3: Cross multiply
    343,121.06x = 473,393.63 × 207,103.37
  4. Step 4: Simplify right side
    343,121.06x = 98,041,414,260.32
  5. Step 5: Solve for x
    x = 98,041,414,260.32/343,121.06
  6. Step 6: Final answer
    x = 285,734.18

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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.