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Finding the Fourth Proportional to 593,819.91, 819,468.50 and 321,886.71

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Solution

The fourth proportional to 593,819.91, 819,468.50 and 321,886.71 is: 444,202.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,819.91 : 819,468.50 = 321,886.71 : x
  2. Step 2: Convert to fraction form
    593,819.91/819,468.50 = 321,886.71/x
  3. Step 3: Cross multiply
    593,819.91x = 819,468.50 × 321,886.71
  4. Step 4: Simplify right side
    593,819.91x = 263,776,017,804.20
  5. Step 5: Solve for x
    x = 263,776,017,804.20/593,819.91
  6. Step 6: Final answer
    x = 444,202.04

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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.