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Finding the Fourth Proportional to 593,095.72, 818,478.78 and 321,169.72

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Solution

The fourth proportional to 593,095.72, 818,478.78 and 321,169.72 is: 443,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,095.72 : 818,478.78 = 321,169.72 : x
  2. Step 2: Convert to fraction form
    593,095.72/818,478.78 = 321,169.72/x
  3. Step 3: Cross multiply
    593,095.72x = 818,478.78 × 321,169.72
  4. Step 4: Simplify right side
    593,095.72x = 262,870,600,598.54
  5. Step 5: Solve for x
    x = 262,870,600,598.54/593,095.72
  6. Step 6: Final answer
    x = 443,217.83

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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.