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Finding the Fourth Proportional to 593,347.88, 818,823.98 and 321,415.76

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Solution

The fourth proportional to 593,347.88, 818,823.98 and 321,415.76 is: 443,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,347.88 : 818,823.98 = 321,415.76 : x
  2. Step 2: Convert to fraction form
    593,347.88/818,823.98 = 321,415.76/x
  3. Step 3: Cross multiply
    593,347.88x = 818,823.98 × 321,415.76
  4. Step 4: Simplify right side
    593,347.88x = 263,182,934,688.52
  5. Step 5: Solve for x
    x = 263,182,934,688.52/593,347.88
  6. Step 6: Final answer
    x = 443,555.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.