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Finding the Fourth Proportional to 410,798.10, 615,160.35 and 269,793.30

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Solution

The fourth proportional to 410,798.10, 615,160.35 and 269,793.30 is: 404,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,798.10 : 615,160.35 = 269,793.30 : x
  2. Step 2: Convert to fraction form
    410,798.10/615,160.35 = 269,793.30/x
  3. Step 3: Cross multiply
    410,798.10x = 615,160.35 × 269,793.30
  4. Step 4: Simplify right side
    410,798.10x = 165,966,140,855.66
  5. Step 5: Solve for x
    x = 165,966,140,855.66/410,798.10
  6. Step 6: Final answer
    x = 404,009.03

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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.