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Finding the Fourth Proportional to 375,704.37, 563,294.07 and 139,016.34

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Solution

The fourth proportional to 375,704.37, 563,294.07 and 139,016.34 is: 208,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,704.37 : 563,294.07 = 139,016.34 : x
  2. Step 2: Convert to fraction form
    375,704.37/563,294.07 = 139,016.34/x
  3. Step 3: Cross multiply
    375,704.37x = 563,294.07 × 139,016.34
  4. Step 4: Simplify right side
    375,704.37x = 78,307,079,955.10
  5. Step 5: Solve for x
    x = 78,307,079,955.10/375,704.37
  6. Step 6: Final answer
    x = 208,427.39

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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.