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Finding the Fourth Proportional to 452,942.28, 679,024.62 and 253,099.08

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Solution

The fourth proportional to 452,942.28, 679,024.62 and 253,099.08 is: 379,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,942.28 : 679,024.62 = 253,099.08 : x
  2. Step 2: Convert to fraction form
    452,942.28/679,024.62 = 253,099.08/x
  3. Step 3: Cross multiply
    452,942.28x = 679,024.62 × 253,099.08
  4. Step 4: Simplify right side
    452,942.28x = 171,860,506,619.35
  5. Step 5: Solve for x
    x = 171,860,506,619.35/452,942.28
  6. Step 6: Final answer
    x = 379,431.36

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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.