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Finding the Fourth Proportional to 331,444.56, 457,391.16 and 180,541.56

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Solution

The fourth proportional to 331,444.56, 457,391.16 and 180,541.56 is: 249,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,444.56 : 457,391.16 = 180,541.56 : x
  2. Step 2: Convert to fraction form
    331,444.56/457,391.16 = 180,541.56/x
  3. Step 3: Cross multiply
    331,444.56x = 457,391.16 × 180,541.56
  4. Step 4: Simplify right side
    331,444.56x = 82,578,113,556.61
  5. Step 5: Solve for x
    x = 82,578,113,556.61/331,444.56
  6. Step 6: Final answer
    x = 249,146.08

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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.