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Finding the Fourth Proportional to 546,437.60, 819,656.40 and 335,391.20

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Solution

The fourth proportional to 546,437.60, 819,656.40 and 335,391.20 is: 503,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,437.60 : 819,656.40 = 335,391.20 : x
  2. Step 2: Convert to fraction form
    546,437.60/819,656.40 = 335,391.20/x
  3. Step 3: Cross multiply
    546,437.60x = 819,656.40 × 335,391.20
  4. Step 4: Simplify right side
    546,437.60x = 274,905,543,583.68
  5. Step 5: Solve for x
    x = 274,905,543,583.68/546,437.60
  6. Step 6: Final answer
    x = 503,086.80

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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.