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Finding the Fourth Proportional to 331,851.40, 457,954.86 and 180,948.40

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Solution

The fourth proportional to 331,851.40, 457,954.86 and 180,948.40 is: 249,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,851.40 : 457,954.86 = 180,948.40 : x
  2. Step 2: Convert to fraction form
    331,851.40/457,954.86 = 180,948.40/x
  3. Step 3: Cross multiply
    331,851.40x = 457,954.86 × 180,948.40
  4. Step 4: Simplify right side
    331,851.40x = 82,866,199,189.22
  5. Step 5: Solve for x
    x = 82,866,199,189.22/331,851.40
  6. Step 6: Final answer
    x = 249,708.75

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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.