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Finding the Fourth Proportional to 340,139.52, 511,130.88 and 182,481.28

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Solution

The fourth proportional to 340,139.52, 511,130.88 and 182,481.28 is: 274,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,139.52 : 511,130.88 = 182,481.28 : x
  2. Step 2: Convert to fraction form
    340,139.52/511,130.88 = 182,481.28/x
  3. Step 3: Cross multiply
    340,139.52x = 511,130.88 × 182,481.28
  4. Step 4: Simplify right side
    340,139.52x = 93,271,817,229.93
  5. Step 5: Solve for x
    x = 93,271,817,229.93/340,139.52
  6. Step 6: Final answer
    x = 274,216.35

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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.