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Finding the Fourth Proportional to 350,494.61, 483,364.98 and 229,591.80

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Solution

The fourth proportional to 350,494.61, 483,364.98 and 229,591.80 is: 316,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,494.61 : 483,364.98 = 229,591.80 : x
  2. Step 2: Convert to fraction form
    350,494.61/483,364.98 = 229,591.80/x
  3. Step 3: Cross multiply
    350,494.61x = 483,364.98 × 229,591.80
  4. Step 4: Simplify right side
    350,494.61x = 110,976,635,815.16
  5. Step 5: Solve for x
    x = 110,976,635,815.16/350,494.61
  6. Step 6: Final answer
    x = 316,628.66

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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.