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Finding the Fourth Proportional to 593,374.66, 818,856.29 and 321,443.68

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Solution

The fourth proportional to 593,374.66, 818,856.29 and 321,443.68 is: 443,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,374.66 : 818,856.29 = 321,443.68 : x
  2. Step 2: Convert to fraction form
    593,374.66/818,856.29 = 321,443.68/x
  3. Step 3: Cross multiply
    593,374.66x = 818,856.29 × 321,443.68
  4. Step 4: Simplify right side
    593,374.66x = 263,216,177,641.53
  5. Step 5: Solve for x
    x = 263,216,177,641.53/593,374.66
  6. Step 6: Final answer
    x = 443,591.87

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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.