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Finding the Fourth Proportional to 593,515.72, 819,050.58 and 321,590.98

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Solution

The fourth proportional to 593,515.72, 819,050.58 and 321,590.98 is: 443,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,515.72 : 819,050.58 = 321,590.98 : x
  2. Step 2: Convert to fraction form
    593,515.72/819,050.58 = 321,590.98/x
  3. Step 3: Cross multiply
    593,515.72x = 819,050.58 × 321,590.98
  4. Step 4: Simplify right side
    593,515.72x = 263,399,278,691.77
  5. Step 5: Solve for x
    x = 263,399,278,691.77/593,515.72
  6. Step 6: Final answer
    x = 443,794.95

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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.