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Finding the Fourth Proportional to 410,283.36, 615,402.72 and 110,759.76

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Solution

The fourth proportional to 410,283.36, 615,402.72 and 110,759.76 is: 166,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,283.36 : 615,402.72 = 110,759.76 : x
  2. Step 2: Convert to fraction form
    410,283.36/615,402.72 = 110,759.76/x
  3. Step 3: Cross multiply
    410,283.36x = 615,402.72 × 110,759.76
  4. Step 4: Simplify right side
    410,283.36x = 68,161,857,570.55
  5. Step 5: Solve for x
    x = 68,161,857,570.55/410,283.36
  6. Step 6: Final answer
    x = 166,133.61

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1.5x scale

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.