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Finding the Fourth Proportional to 598,717.92, 826,171.92 and 330,428.64

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Solution

The fourth proportional to 598,717.92, 826,171.92 and 330,428.64 is: 455,959.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,717.92 : 826,171.92 = 330,428.64 : x
  2. Step 2: Convert to fraction form
    598,717.92/826,171.92 = 330,428.64/x
  3. Step 3: Cross multiply
    598,717.92x = 826,171.92 × 330,428.64
  4. Step 4: Simplify right side
    598,717.92x = 272,990,863,931.79
  5. Step 5: Solve for x
    x = 272,990,863,931.79/598,717.92
  6. Step 6: Final answer
    x = 455,959.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.