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Finding the Fourth Proportional to 410,141.30, 615,211.95 and 404,611.70

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Solution

The fourth proportional to 410,141.30, 615,211.95 and 404,611.70 is: 606,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,141.30 : 615,211.95 = 404,611.70 : x
  2. Step 2: Convert to fraction form
    410,141.30/615,211.95 = 404,611.70/x
  3. Step 3: Cross multiply
    410,141.30x = 615,211.95 × 404,611.70
  4. Step 4: Simplify right side
    410,141.30x = 248,921,952,949.82
  5. Step 5: Solve for x
    x = 248,921,952,949.82/410,141.30
  6. Step 6: Final answer
    x = 606,917.55

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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.