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Finding the Fourth Proportional to 546,797.12, 755,054.68 and 343,200.88

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Solution

The fourth proportional to 546,797.12, 755,054.68 and 343,200.88 is: 473,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,797.12 : 755,054.68 = 343,200.88 : x
  2. Step 2: Convert to fraction form
    546,797.12/755,054.68 = 343,200.88/x
  3. Step 3: Cross multiply
    546,797.12x = 755,054.68 × 343,200.88
  4. Step 4: Simplify right side
    546,797.12x = 259,135,430,624.12
  5. Step 5: Solve for x
    x = 259,135,430,624.12/546,797.12
  6. Step 6: Final answer
    x = 473,915.13

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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.