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Finding the Fourth Proportional to 593,265.98, 818,700.54 and 321,327.11

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Solution

The fourth proportional to 593,265.98, 818,700.54 and 321,327.11 is: 443,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,265.98 : 818,700.54 = 321,327.11 : x
  2. Step 2: Convert to fraction form
    593,265.98/818,700.54 = 321,327.11/x
  3. Step 3: Cross multiply
    593,265.98x = 818,700.54 × 321,327.11
  4. Step 4: Simplify right side
    593,265.98x = 263,070,678,473.64
  5. Step 5: Solve for x
    x = 263,070,678,473.64/593,265.98
  6. Step 6: Final answer
    x = 443,427.88

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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.