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Finding the Fourth Proportional to 616,093.20, 924,139.80 and 336,157.20

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Solution

The fourth proportional to 616,093.20, 924,139.80 and 336,157.20 is: 504,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,093.20 : 924,139.80 = 336,157.20 : x
  2. Step 2: Convert to fraction form
    616,093.20/924,139.80 = 336,157.20/x
  3. Step 3: Cross multiply
    616,093.20x = 924,139.80 × 336,157.20
  4. Step 4: Simplify right side
    616,093.20x = 310,656,247,576.56
  5. Step 5: Solve for x
    x = 310,656,247,576.56/616,093.20
  6. Step 6: Final answer
    x = 504,235.80

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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.