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Finding the Fourth Proportional to 375,132.55, 517,347.62 and 273,395.14

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Solution

The fourth proportional to 375,132.55, 517,347.62 and 273,395.14 is: 377,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,132.55 : 517,347.62 = 273,395.14 : x
  2. Step 2: Convert to fraction form
    375,132.55/517,347.62 = 273,395.14/x
  3. Step 3: Cross multiply
    375,132.55x = 517,347.62 × 273,395.14
  4. Step 4: Simplify right side
    375,132.55x = 141,440,324,998.57
  5. Step 5: Solve for x
    x = 141,440,324,998.57/375,132.55
  6. Step 6: Final answer
    x = 377,040.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.