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Finding the Fourth Proportional to 561,984.81, 842,582.94 and 206,953.30

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Solution

The fourth proportional to 561,984.81, 842,582.94 and 206,953.30 is: 310,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,984.81 : 842,582.94 = 206,953.30 : x
  2. Step 2: Convert to fraction form
    561,984.81/842,582.94 = 206,953.30/x
  3. Step 3: Cross multiply
    561,984.81x = 842,582.94 × 206,953.30
  4. Step 4: Simplify right side
    561,984.81x = 174,375,319,956.70
  5. Step 5: Solve for x
    x = 174,375,319,956.70/561,984.81
  6. Step 6: Final answer
    x = 310,284.76

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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.