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Finding the Fourth Proportional to 410,164.10, 615,246.15 and 372,766.40

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Solution

The fourth proportional to 410,164.10, 615,246.15 and 372,766.40 is: 559,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,164.10 : 615,246.15 = 372,766.40 : x
  2. Step 2: Convert to fraction form
    410,164.10/615,246.15 = 372,766.40/x
  3. Step 3: Cross multiply
    410,164.10x = 615,246.15 × 372,766.40
  4. Step 4: Simplify right side
    410,164.10x = 229,343,092,449.36
  5. Step 5: Solve for x
    x = 229,343,092,449.36/410,164.10
  6. Step 6: Final answer
    x = 559,149.60

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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.