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Finding the Fourth Proportional to 365,496.98, 547,679 and 253,395.14

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Solution

The fourth proportional to 365,496.98, 547,679 and 253,395.14 is: 379,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,496.98 : 547,679 = 253,395.14 : x
  2. Step 2: Convert to fraction form
    365,496.98/547,679 = 253,395.14/x
  3. Step 3: Cross multiply
    365,496.98x = 547,679 × 253,395.14
  4. Step 4: Simplify right side
    365,496.98x = 138,779,196,880.06
  5. Step 5: Solve for x
    x = 138,779,196,880.06/365,496.98
  6. Step 6: Final answer
    x = 379,699.98

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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.