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Finding the Fourth Proportional to 414,598.46, 620,901.06 and 236,565.70

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Solution

The fourth proportional to 414,598.46, 620,901.06 and 236,565.70 is: 354,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,598.46 : 620,901.06 = 236,565.70 : x
  2. Step 2: Convert to fraction form
    414,598.46/620,901.06 = 236,565.70/x
  3. Step 3: Cross multiply
    414,598.46x = 620,901.06 × 236,565.70
  4. Step 4: Simplify right side
    414,598.46x = 146,883,893,889.64
  5. Step 5: Solve for x
    x = 146,883,893,889.64/414,598.46
  6. Step 6: Final answer
    x = 354,279.88

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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.