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Finding the Fourth Proportional to 593,263.98, 818,697.78 and 321,325.11

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Solution

The fourth proportional to 593,263.98, 818,697.78 and 321,325.11 is: 443,425.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,263.98 : 818,697.78 = 321,325.11 : x
  2. Step 2: Convert to fraction form
    593,263.98/818,697.78 = 321,325.11/x
  3. Step 3: Cross multiply
    593,263.98x = 818,697.78 × 321,325.11
  4. Step 4: Simplify right side
    593,263.98x = 263,068,154,215.26
  5. Step 5: Solve for x
    x = 263,068,154,215.26/593,263.98
  6. Step 6: Final answer
    x = 443,425.12

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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.