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Finding the Fourth Proportional to 410,627.91, 615,941.88 and 154,508.66

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Solution

The fourth proportional to 410,627.91, 615,941.88 and 154,508.66 is: 231,763.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,627.91 : 615,941.88 = 154,508.66 : x
  2. Step 2: Convert to fraction form
    410,627.91/615,941.88 = 154,508.66/x
  3. Step 3: Cross multiply
    410,627.91x = 615,941.88 × 154,508.66
  4. Step 4: Simplify right side
    410,627.91x = 95,168,354,516.68
  5. Step 5: Solve for x
    x = 95,168,354,516.68/410,627.91
  6. Step 6: Final answer
    x = 231,763.00

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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.