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Finding the Fourth Proportional to 593,332.50, 818,802.81 and 321,400.41

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Solution

The fourth proportional to 593,332.50, 818,802.81 and 321,400.41 is: 443,534.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,332.50 : 818,802.81 = 321,400.41 : x
  2. Step 2: Convert to fraction form
    593,332.50/818,802.81 = 321,400.41/x
  3. Step 3: Cross multiply
    593,332.50x = 818,802.81 × 321,400.41
  4. Step 4: Simplify right side
    593,332.50x = 263,163,558,843.15
  5. Step 5: Solve for x
    x = 263,163,558,843.15/593,332.50
  6. Step 6: Final answer
    x = 443,534.71

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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.