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Finding the Fourth Proportional to 410,160.80, 615,241.20 and 404,631.20

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Solution

The fourth proportional to 410,160.80, 615,241.20 and 404,631.20 is: 606,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,160.80 : 615,241.20 = 404,631.20 : x
  2. Step 2: Convert to fraction form
    410,160.80/615,241.20 = 404,631.20/x
  3. Step 3: Cross multiply
    410,160.80x = 615,241.20 × 404,631.20
  4. Step 4: Simplify right side
    410,160.80x = 248,945,785,045.44
  5. Step 5: Solve for x
    x = 248,945,785,045.44/410,160.80
  6. Step 6: Final answer
    x = 606,946.80

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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.