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Finding the Fourth Proportional to 341,615.80, 512,734.65 and 181,825.87

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Solution

The fourth proportional to 341,615.80, 512,734.65 and 181,825.87 is: 272,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,615.80 : 512,734.65 = 181,825.87 : x
  2. Step 2: Convert to fraction form
    341,615.80/512,734.65 = 181,825.87/x
  3. Step 3: Cross multiply
    341,615.80x = 512,734.65 × 181,825.87
  4. Step 4: Simplify right side
    341,615.80x = 93,228,423,815.40
  5. Step 5: Solve for x
    x = 93,228,423,815.40/341,615.80
  6. Step 6: Final answer
    x = 272,904.31

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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.