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Finding the Fourth Proportional to 375,045.54, 517,507.20 and 227,793.82

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Solution

The fourth proportional to 375,045.54, 517,507.20 and 227,793.82 is: 314,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,045.54 : 517,507.20 = 227,793.82 : x
  2. Step 2: Convert to fraction form
    375,045.54/517,507.20 = 227,793.82/x
  3. Step 3: Cross multiply
    375,045.54x = 517,507.20 × 227,793.82
  4. Step 4: Simplify right side
    375,045.54x = 117,884,941,965.50
  5. Step 5: Solve for x
    x = 117,884,941,965.50/375,045.54
  6. Step 6: Final answer
    x = 314,321.67

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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.