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Finding the Fourth Proportional to 410,146.40, 615,219.60 and 373,404.80

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Solution

The fourth proportional to 410,146.40, 615,219.60 and 373,404.80 is: 560,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,146.40 : 615,219.60 = 373,404.80 : x
  2. Step 2: Convert to fraction form
    410,146.40/615,219.60 = 373,404.80/x
  3. Step 3: Cross multiply
    410,146.40x = 615,219.60 × 373,404.80
  4. Step 4: Simplify right side
    410,146.40x = 229,725,951,694.08
  5. Step 5: Solve for x
    x = 229,725,951,694.08/410,146.40
  6. Step 6: Final answer
    x = 560,107.20

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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.