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Finding the Fourth Proportional to 546,512.90, 818,785.20 and 335,904.80

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Solution

The fourth proportional to 546,512.90, 818,785.20 and 335,904.80 is: 503,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,512.90 : 818,785.20 = 335,904.80 : x
  2. Step 2: Convert to fraction form
    546,512.90/818,785.20 = 335,904.80/x
  3. Step 3: Cross multiply
    546,512.90x = 818,785.20 × 335,904.80
  4. Step 4: Simplify right side
    546,512.90x = 275,033,878,848.96
  5. Step 5: Solve for x
    x = 275,033,878,848.96/546,512.90
  6. Step 6: Final answer
    x = 503,252.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.