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Finding the Fourth Proportional to 454,246.40, 680,786.40 and 348,541.40

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Solution

The fourth proportional to 454,246.40, 680,786.40 and 348,541.40 is: 522,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,246.40 : 680,786.40 = 348,541.40 : x
  2. Step 2: Convert to fraction form
    454,246.40/680,786.40 = 348,541.40/x
  3. Step 3: Cross multiply
    454,246.40x = 680,786.40 × 348,541.40
  4. Step 4: Simplify right side
    454,246.40x = 237,282,244,956.96
  5. Step 5: Solve for x
    x = 237,282,244,956.96/454,246.40
  6. Step 6: Final answer
    x = 522,364.61

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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.