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Finding the Fourth Proportional to 546,429.60, 819,644.40 and 335,383.20

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Solution

The fourth proportional to 546,429.60, 819,644.40 and 335,383.20 is: 503,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,429.60 : 819,644.40 = 335,383.20 : x
  2. Step 2: Convert to fraction form
    546,429.60/819,644.40 = 335,383.20/x
  3. Step 3: Cross multiply
    546,429.60x = 819,644.40 × 335,383.20
  4. Step 4: Simplify right side
    546,429.60x = 274,894,961,734.08
  5. Step 5: Solve for x
    x = 274,894,961,734.08/546,429.60
  6. Step 6: Final answer
    x = 503,074.80

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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.