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Finding the Fourth Proportional to 410,092.40, 615,794.70 and 310,365.20

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Solution

The fourth proportional to 410,092.40, 615,794.70 and 310,365.20 is: 466,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,092.40 : 615,794.70 = 310,365.20 : x
  2. Step 2: Convert to fraction form
    410,092.40/615,794.70 = 310,365.20/x
  3. Step 3: Cross multiply
    410,092.40x = 615,794.70 × 310,365.20
  4. Step 4: Simplify right side
    410,092.40x = 191,121,245,224.44
  5. Step 5: Solve for x
    x = 191,121,245,224.44/410,092.40
  6. Step 6: Final answer
    x = 466,044.35

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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.